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FC064244_C4_Q12

Physics

Heat

A 0.5 kg solid is heated from 30^\circ{C} to \theta^\circ{C} with 10 400 J of energy. If its specific heat capacity is 520\ J\ kg^{-1}\ ^{\circ}C^{-1}, what is the value of \theta, in ^{\circ}C^{-1}?

['A: 50', 'B: 60', 'C: 70', 'D: 80']

C

QC174032_C4_Q9

Mathematics

Given x_{2}- 23_{4} = 312_{4}, find the value of x.

['A: 1001', 'B: 10001', 'C: 100001', 'D: 1000001']

D

FC065244_C2_Q21

Physics

Pressure

Diagram 12 shows three identical test tubes, X, Y and Z containing ball bearings P, Q and R which have the same size but of different densities. The buoyant force, F_x, F_y and F_z are exerted on the test tube X, Y and Z respectively. Which of the following comparisons is correct?

Diagram 12: FC065244_C2_Q21_ImageFile_0.png

['A: {F_X > F_Y > F_Z}', 'B: {F_X =F_Y > F_Z}', 'C: {F_X = F_Y < F_Z}', 'D: {F_X > F_Y = F_Z}']

C

QC174032_C3_Q1

Mathematics

Logic Reasoning

Which of the following is a statement?

['A: Covid-19 is an illness caused by a novel coronavirus.', 'B: Wash your hands often with water and soap.', 'C: Why do we social distance?', 'D: Wear a face mask in public!']

A

KM24SFI_C3_Q11

Physics

Diagram 8 shows the heating curve for ice cubes. Which statement is true?

Diagram 8: KM24SF1_C3_Q11_ImageFile_0.png

['A: In the first 10 minutes, the kinetic energy of the ice particles increases.', 'B: The latent heat of fusion is absorbed to change the ice to water in the first 10 minutes.', 'C: The temperature did not change in the first 10 minutes because no heat was absorbed.', 'D: In the last 5 minutes, the bond between the ice particles is weakened.']

B

KM24SMA_C1_Q12

Mathematics

Which of the following points satisfies the linear inequality 5y > -3x + 6?

['A: (-3,1)', 'B: (-3,2)', 'C: (-3,3)', 'D: (-3,4)']

D

KM24SFI_C2_Q20

Physics

Diagram 12 shows three springs, H, J and K made of the same material and diameter of wire. Each spring is attached a 200 g load. The extension of the springs are x_{H}, x_{J} and x_{K} respectively. Which comparison is correct?

Diagram 12: KM24SF1_C2_Q20_ImageFile_0.png

['A: x_H>x_J>x_K', 'B: x_J>x_H>x_K', 'C: x_J>x_K>x_H', 'D: x_H>x_K>x_J']

B

KM24SMA_C5_Q22

Mathematics

Syameer earns a monthly income of RM8 600. He also rents out his house for RM800 per month. He has fixed expenses of RM3 250 and variable expenses of RM1 500 in a month. Calculate Syameer's monthly cash flow.

['A: RM3 560', 'B: RM4 350', 'C: RM4 560', 'D: RM4 650']

D

GG24SFI4_C2_Q22

Physics

Force and Motion I

The passengers in a bus continue to move forward when the bus stops suddenly. Which physical law explains the above situation?

['A: Freefall motion', "B: Newton's First Law of Motion", "C: Newton's Second Law of Motion", "D: Newton's Third Law of Motion"]

B

FC065244_C7_Q13

Physics

Quantum Physics

A particle of mass, m moves with a velocity, v and its de Broglie's wavelength is \lambda. If c is the speed of light in vacuum and h is Planck's constant, the wave-particle duality is represented by which equation?

['A: p = mv', 'B: \\lambda= \\frac {hc}{mv}', 'C: \\frac {1}{2} mc^2= \\frac {hc}{\\lambda}', 'D: mv= \\frac h{\\lambda}']

D

KM24SMA_C2_Q38

Mathematics

A lucky wheel is divided into several sectors and coloured in red and yellow. Given the probability that the pointer stops in the red sector is \frac{2}{5}. Aishah spins the pointer twice. Calculate the probability that the pointer stops in the yellow sector each time.

Figure 1: KM24SMA_C2_Q38_ImageFile_0.png

['A: \\frac{4}{25}', 'B: \\frac{6}{25}', 'C: \\frac{9}{25}', 'D: \\frac{3}{5}']

C

FC064244_C6_Q10

Physics

Light and Optics

Diagram 6 shows a beam of light travelling from air to medium Y. What is the refractive index of medium Y?

Diagram 6: FC064244_C6_Q10_ImageFile_0.png

['A: 1.23', 'B: 1.42', 'C: 1.52', 'D: 2.22']

A

FC064244_C4_Q27

Physics

Heat

A gas canister contains gas at p N m^-2 pressure. At constant temperature, the gas pressure remains unchanged because

['A: the size of the gas molecules remains unchanged.', 'B: the gas molecules move at constant average velocity.', 'C: the wall of the canister is very strong.']

B

FC064244_C4_Q31

Physics

Heat

Diagram 12 shows an air bubble formed by a diver. The volume of the air bubble is 6.0 cm^3 at position Y. Determine the volume of air bubble at X if the pressure of position X is 12.5 m of water. [The atmospheric pressure = 10 m of water]

Diagram 12: FC064244_C4_Q31_ImageFile_0.png

['A: 2.4 cm^3', 'B: 4.8 cm^3', 'C: 6.0 cm^3', 'D: 7.2 cm^3']

B

KM24SMA_C1_Q21

Mathematics

Diagram 5 shows the distance-time graph for a bus driver travelling from town A to town B. State the length of time, in hour, during which the bus is stationary.

Diagram 5: KM24SMA_C1_Q21_ImageFile_0.png

['A: 0.25', 'B: 1.25', 'C: 15', 'D: 75']

A

FC064244_C2_Q31

Physics

Force and Motion I

A girl of mass 40 kg is inside a lift which is at rest. Calculate the reading on the weighing scale under the girl's feet. (Gravitational acceleration = 9.81 m s^-2)

['A: 300.7 N', 'B: 320.0 N', 'C: 340.2 N', 'D: 392.4 N']

D

KM24SMA_C5_Q19

Mathematics

Encik Amin blew a total of 15 white and blue balloons for his daughter's birthday party. The ratio of the number of white balloons to the number of blue balloons is 1:2. Then, a balloon is found burst, calculate the probability of the balloon burst is a blue balloon.

['A: \\frac{1}{3}', 'B: \\frac{2}{5}', 'C: \\frac{3}{5}', 'D: \\frac{2}{3}']

D

FC064244_C5_Q19

Physics

Waves

Diagram 8 shows two speakers placed 2.4 m between each other and connected to an audio generator with a frequency of 450 Hz. Eddy walked 6.0 m in front of the speaker. He heard 5 soft sounds after moving 4.0 m. Calculate the wavelength.

Diagram 8: FC064244_C5_Q19_ImageFile_0.png

['A: 0.4 m', 'B: 1.6 m', 'C: 3.6 m', 'D: 10.0 m']

A

FC065244_C5_Q26

Physics

Electronics

Diagram 17 shows a transistor circuit used to amplify the audio signal from a microphone. The gaps P, Q, R and S need to be connected with certain devices or wires. Where must the microphone be connected?

Diagram 17: FC065244_C5_Q26_ImageFile_0.png

['A: P', 'B: Q', 'C: R', 'D: S']

A

FC064244_C2_Q5

Physics

Force and Motion I

Aydan accelerates his car from rest at 15 m s^{-2} along a straight road. How far has Aydan travelled after 6 s?

['A: 90 m', 'B: 180 m', 'C: 270 m', 'D: 360 m']

C

FC065244_C1_Q9

Physics

Force and Motion II

Diagram 7 shows a pulley system on an inclined plane. Ignoring the frictional force, calculate acceleration of the system.

Diagram 7: FC065244_C1_Q9_ImageFile_0.png

['A: 5.25 m s^{-2}', 'B: 2.44 m s^{-2}', 'C: 6.15 m s^{-2}', 'D: 8.53 m s^{-2}']

A

KM24SMA_C2_Q18

Mathematics

Diagram 7 shows four straight lines drawn on a Cartesian plane. Which of the following straight lines has a gradient of -\frac{3}{2}?

Diagram 7: KM24SMA_C2_Q18_ImageFile_0.png

['A: PQ', 'B: PR', 'C: PS', 'D: PT']

B

FC065244_C2_Q14

Physics

Pressure

Diagram 8 shows the height of a mercury barometer is 75.0 cm. What is the pressure at the point P which is 15.0 cm above the mercury level?

Diagram 8: FC065244_C2_Q14_ImageFile_0.png

['A: 15.0 cm Hg', 'B: 35.0 cm Hg', 'C: 40.0 cm Hg', 'D: 60.0 cm Hg']

A

FC064244_C6_Q25

Physics

Light and Optics

Which of the following is not true about the uses of lenses in optical instruments?

['A: A gemologist uses a magnifying glass to identify and evaluate gemstones.', 'B: A microbiologist uses a microscope to examine various microorganisms.', 'C: An ophthalmologist uses a magnifying glass to examine eyes.', 'D: An astronomer uses a periscope to study celestial objects.']

D

KM24SMA_C4_Q40

Mathematics

Diagram 17 shows a spinner divided into six sectors of equal size and a box for a lucky draw. The box consists of six cards labelled with "RM50 voucher", three cards labelled with "RM100 voucher" and a card labelled with "RM200 voucher". A participant spins the spinner. If the arrow points at the shaded region, a card is drawn at random from the box to determine the prize of the lucky draw. Find the probability that a participant draws a card labelled with "RM100 voucher".

Diagram 17: KM24SMA_C4_Q40_ImageFile_0.png

['A: 1/10', 'B: 1/6', 'C: 1/3', 'D: 1/2']

A

FC064244_C1_Q9

Physics

Measurement

Which of the following are imperial units? I mol II feet III inch

['A: I and II', 'B: I and III', 'C: II and III']

C

GG24SFI4_C5_Q7

Physics

Waves

The diagram below shows a wave transmitted from a ship into the water to detect the depth of a shoal of fish. Which of the following about the wave is correct?

Diagram: GG24SFI4_C5_Q7_ImageFile_0.png

['A: It is an ultrasonic wave.', 'B: It has a long wavelength.', 'C: It undergoes diffraction easily.', 'D: It cannot travel in vacuum.']

C

GG24SFI4_C3_Q8

Physics

Gravitation

The mass of the Moon is 7.35× 10^{22} kg and its radius is 1.74× 10^{6} m. What is the gravitational acceleration on the surface of the Moon? [G=6.67×10^{-11} N m{^2} kg^{-2}]

['A: 1.59 m s^{-2}', 'B: 1.62 m s^{-2}', 'C: 1.72 m s^{-2}', 'D: 1.83 m s^{-2}']

B

GG24SFI4_C4_Q12

Physics

Heat

The diagram below shows an air bubble formed at the bottom of an aquarium. The size of the air bubble increases as it rises to the surface of water. Which of the following statements explains the situation above correctly?

Diagram: GG24SFI4_C4_Q12_ImageFile_0.png

['A: The air pressure decreases.', 'B: The water pressure increases.', 'C: The number of air molecules increases.', 'D: The air molecules move more quickly.']

B

QC174032_C7_Q21

Mathematics

A conversation between two friends is as follows. Khairul: When two consecutive odd numbers are multiplied, the sum of digits of the product is even. Sheila: I am not quite sure. I don't think what you said is true. Based on the conversation above, which counter-example could be constructed to negate the truth of Khairul's statement?

['A: 5 × 7', 'B: 7 × 9', 'C: 9 × 11', 'D: 11 × 13']

B

QC174032_C7_Q40

Mathematics

The graph connects six places with edge representing bus fare. Calculate the minimum total bus fares where every place being visited once only.

Graph: QC174032_C7_Q40_ImageFile_0.png

['A: RM56', 'B: RM59', 'C: RM64', 'D: RM85']

B

FC065244_C2_Q30

Physics

Pressure

Diagram 19 shows a spray of liquid. Which statement is correct? I The flow of air at P is higher than in the syringe. II The air pressure at P is lower than the atmospheric pressure. III Archimedes' principle is used in the device.

Diagram 19: FC065244_C2_Q30_ImageFile_0.png

['A: I and II', 'B: I and III', 'C: II and III']

A

QC174032_C14_Q21

Mathematics

The diagram shows the distance-time graph of a particle for a period of 20 seconds. Calculate the total distance, in m, travelled by the particle.

Diagram: QC174032_C14_Q21_ImageFile_0.png

['A: 2', 'B: 4', 'C: 10', 'D: 18']

C

QC174032_C7_Q23

Mathematics

Which inductive argument is cogent?

['A: Lizards have a backbone. Chameleons have a backbone. Turtles have a backbone. Therefore all reptiles are vertebrates.', 'B: Elephants live on land. Monkeys live on land. Rabbits live on land. Therefore all mammals live on land.', 'C: Parrots can fly. Pigeons can fly. Eagles can fly. Therefore all birds can fly.', 'D: Cats give birth to live young. Otters give birth to live young. Kangaroos give birth to live young. Therefore all mammals give birth to live young.']

A

FC065244_C1_Q13

Physics

Force and Motion II

Which of the following statements show that an object is in equilibrium?

['A: A car moving with constant speed around a roundabout.', 'B: An apple falling from a tree.', 'C: A satellite orbiting the Earth at constant height.', 'D: A picture frame hanging on the wall.']

D

KM24SMA_C2_Q36

Mathematics

Mr Ong purchased 2 000 units of shares at RM0.80 per unit. After three years, he sold all his shares at a price of RM1.40 per unit. The total charge paid by Mr Ong was RM31.84. Calculate the return on investment value for Mr Ong.

['A: 73.01%', 'B: 75%', 'C: 175%', 'D: 173.01%']

A

GG24SFI4_C2_Q3

Physics

Force and Motion I

A motorcycle moves from rest with an acceleration of 6 m s^{-2} for 10 seconds. What is the velocity of the motorcycle after 10 seconds?

['A: 10 m s^{-1}', 'B: 30 m s^{-1}', 'C: 60 m s^{-1}', 'D: 80 m s^{-1}']

C

FC065244_C5_Q13

Physics

Electronics

Which of the following is incorrect about a capacitor?

['A: Can store energy.', 'B: Smooth rectified current.', 'C: Can block the flow of direct current.', 'D: Act as automatic switch.']

D

FC064244_C2_Q14

Physics

Force and Motion I

A book is dropped from top of a building to the ground as shown in Diagram 10. Determine the time taken for the book to reach the ground.

Diagram 10: FC064244_C2_Q14_ImageFile_0.png

['A: 5 s', 'B: 10 s', 'C: 15 s', 'D: 20 s']

A

FC065244_C2_Q22

Physics

Pressure

Diagram 13 shows an object completely immersed in water and hung on a spring balance. The mass of the object is 30 kg and the reading on the spring balance is 180 N. (Density of water = 1000 kg m^-3) Calculate the volume of the object.

Diagram 13: FC065244_C2_Q22_ImageFile_0.png

['A: 1.17\\times10^{-2} m^{-3}', 'B: 1.36\\times10^{-2} m^{-3}', 'C: 1.51\\times10^{-2} m^{-3}', 'D: 1.88\\times10^{-2} m^{-3}']

A

FC065244_C4_Q27

Physics

Electromagnetism

Diagram 20 shows the transmission cables in a power transmission system. During transmission of electrical power, energy is lost due to the resistance of the cable wires. This energy loss can be reduced by reducing the current in the cables. Which of the following methods is used to reduce the current in the cables?

Diagram 20: FC065244_C4_Q27_ImageFile_0.png

['A: Using high resistance cable wires', 'B: Transmission at low voltages', 'C: Using direct current for transmission', 'D: Transmission at high voltages']

D

KM24SMA_C4_Q21

Mathematics

Diagram 8 shows three straight lines drawn on a Cartesian plane. Determine a system of linear inequalities that defines the shaded region.

Diagram 8: KM24SMA_C4_Q21_ImageFile_0.png

['A: 4y + 3x ≤ 24, y < 2x, x > 2', 'B: 4y + 3x ≥ 24, y > 2x, x > 2', 'C: 4y + 3x ≤ 24, y < 2x, y > 2', 'D: 4y + 3x ≥ 24, y > 2x, y ≥ 2']

C

QC174032_C11_Q4

Mathematics

Which of the following ordered pairs is the solution to the system of inequalities above? y ≥ 2, x > -1, 2y ≤ -5x + 20

['A: (-1,2)', 'B: (1,8)', 'C: (2,5)', 'D: (3,1)']

C

FC064244_C3_Q12

Physics

Gravitation

Diagram 3 shows three satellites X, Y and Z of masses m, m and 2m respectively are in circular orbits around the Earth. The periods of the satellites orbits are T_{X},T_{Y} and T_{Z} respectively. Which is the correct relationship between T_{X}, T_{Y} and T_{Z}?

Diagram 3: FC064244_C3_Q12_ImageFile_0.png

['A: T_{X}=T_{Y}<T_{Z}', 'B: T_{X}<T_{Y}=T_{Z}', 'C: T_{X}<T_{Y}<T_{Z}', 'D: T_{X}> T_{Y}> T_{Z}']

B

KM24SMA_C5_Q18

Mathematics

Diagram 6 is a stem-and-leaf plot showing the scores of a group of pupils in a spelling test. Calculate the percentage of pupils whose scores are more than 18 marks.

Diagram 6: KM24SMA_C5_Q18_ImageFile_0.png

['A: 7%', 'B: 15%', 'C: 46.7%', 'D: 48%']

C

QC174032_C9_Q3

Mathematics

Motion Graph

The speed-time graph shows the motion of a lorry in a period of 2 hours. Calculate the rate of change of speed, in km h^{-2}, for the lorry in the period of 2 hours.

Graph: QC174032_C9_Q3_ImageFile_0.png

['A: -40', 'B: -20', 'C: 20', 'D: 40']

B

KM24SMA_C4_Q1

Mathematics

Calculate: 110001_{2} - 11010_{2} and state your answer in base eight.

['A: 23_{8}', 'B: 27_{8}', 'C: 33_{8}', 'D: 37_{8}']

B

GG24SFI4_C6_Q30

Physics

Light and Optics

Which distance should a dentist place his dental mirror with {f} focal length, f in front of the patient's tooth in order to see an upright and magnified image?

['A: Less than f', 'B: Between f and 2f', 'C: Same as 2f', 'D: Same as {f}']

A

KM24SMA_C2_Q17

Mathematics

In Diagram 6, Q, R, S and T are the images of trapezium P under different transformations. Given trapezium R represents a region with an area of 30 cm^{2}. Calculate the area, in cm^{2}, represented by the whole diagram.

Diagram 6: KM24SMA_C2_Q17_ImageFile_0.png

['A: 270', 'B: 350', 'C: 480', 'D: 510']

D

KM24SFI_C3_Q5

Physics

Diagram 3 shows an astronaut on the surface of the Moon. The weight of the astronaut on Earth is 700 N. What happens to his inertia when he is on the Moon?

Diagram 3: KM24SF1_C3_Q5_ImageFile_0.png

['A: Increases', 'B: Unchanged', 'C: Decreases']

B

FC065244_C5_Q1

Physics

Electronics

Which of the following can increase the rate of thermionic emission?

['A: Coat metal with metal oxide.', 'B: Use metal with lower melting point.', 'C: Increase temperature.', 'D: Increase surface area of metal.']

B

KM24SFI_C1_Q27

Physics

Diagram 24 shows a manometer used to measure the pressure of a gas in a container. Which statement is true about the pressure of the gas in the container if the atmospheric pressure is 76.0 cm Hg?

Diagram 24: KM24SF1_C1_Q27_ImageFile_0.png

['A: The gas pressure is zero.', 'B: The gas pressure is equal to atmospheric pressure.', 'C: The gas pressure is 36.0 cm Hg less than atmospheric pressure.', 'D: The gas pressure is 36.0 cm Hg more than atmospheric pressure.']

D

GG24SFI4_C4_Q15

Physics

Heat

The heat energy required to change 1 kg of water at 100°C to steam at 100°C is known as

['A: specific latent heat of vaporisation.', 'B: specific latent heat of fusion.', 'C: specific latent heat of steam.']

C

GG24SFI4_C5_Q13

Physics

Waves

What type of electromagnetic waves is used in the airport to check on the luggage?

['A: Gamma ray', 'B: X-ray', 'C: Infrared ray', 'D: Radio wave']

B

FC064244_C3_Q1

Physics

Gravitation

Newton's Universal Law of Gravitation states that the force of gravity between two objects is directly proportional to

['A: the product of the masses of the objects.', 'B: the distance between the objects.', 'C: the square of the distance between the objects.', 'D: the sum of the masses of the objects.']

A

KM24SMA_C2_Q16

Mathematics

Diagram 5 shows point P plotted on a Cartesian plane. Given U is an anticlockwise rotation of 90° at centre (2, 7) and V is a reflection in the line x=6. Determine the coordinates of the image of point P under the combined transformation VU.

Diagram 5: KM24SMA_C2_Q16_ImageFile_0.png

['A: (2,3)', 'B: (2,9)', 'C: (3,2)', 'D: (9,2)']

D

KM24SMA_C2_Q2

Mathematics

Which of the following is paid to the municipal council or district council each half-year?

['A: Income tax', 'B: Road tax', 'C: Quit rent', 'D: Property assessment tax']

D

GG24SFI4_C6_Q8

Physics

Light and Optics

The diagram below shows a light ray travelling from a medium to air. What is the critical angle of the medium?

Diagram: GG24SFI4_C6_Q8_ImageFile_0.png

['A: 35°', 'B: 38°', 'C: 40°', 'D: 42°']

B

FC064244_C6_Q32

Physics

Light and Optics

Which of the following is not the application of concave mirror?

['A: Cosmetic mirror', 'B: Dental mirror', 'C: Reflector in car headlight', "D: Car's side mirror"]

D

KM24SFI_C2_Q34

Physics

Diagram 25 shows four diodes. J, K, M and N connected to a d.c. supply. Which diodes are connected in forward biased?

Diagram 25: KM24SF1_C2_Q34_ImageFile_0.png

['A: J and K', 'B: J and N', 'C: K and N', 'D: K and M']

D

QC174032_C5_Q5

Mathematics

Set Operation

In a survey involving 44 students, it is found that 26 like to eat burger and 30 like to eat pizza. There are no students who do not like to eat both types of food. How many students like to eat only one type of food?

['A: 12', 'B: 14', 'C: 18', 'D: 32']

D

FC065244_C6_Q13

Physics

Nuclear Physics

A radioactive sample has an initial activity of 1400 counts per minute. After 54 days, the activity is 175 counts per minute. What is the half life of the radioactive sample?

['A: 9 days', 'B: 18 days', 'C: 27 days', 'D: 36 days']

B

FC064244_C3_Q24

Physics

Gravitation

Which of the following uses geostationary satellites?

['A: Communication satellite', 'B: Earth imaging', 'C: Global Positioning System', 'D: Weather forecast']

A

KM24SMA_C1_Q10

Mathematics

Evaluate: {(2^{-6})^{rac{2}{3}}×(4×6^{rac{1}{2}})^{4}}

['A: 72', 'B: 96', 'C: 128', 'D: 576']

D

KM24SFI_C3_Q18

Physics

A student conducts Young's double-slit experiment for a green light with a wavelength of 420 nm as shown in Diagram 12.

Diagram 12: KM24SF1_C3_Q18_ImageFile_0.png

['A: 3.15 \\times 10^{-3}m', 'B: 3.15 \\times 10^{-6}m', 'C: 2.21\\times10^{-5}m', 'D: 2.21\\times10^{-2}m']

D

GG24SFI4_C6_Q21

Physics

Light and Optics

Diagram (a) and Diagram (b) show the object of the same height is placed in front of a convex lens with the same focal length. Which of the following is true about the height of the image formed?

Diagram (a): GG24SFI4_C6_Q21_ImageFile_1.png, Diagram (b): GG24SFI4_C6_Q21_ImageFile_0.png

['A: Increases', 'B: Same', 'C: Decreases']

C

KM24SFI_C3_Q34

Physics

A student conducts an experiment using a vacuum tube as shown in Diagram 24. What happens to the milliammeter needle if the switch is closed?

Diagram 24: KM24SF1_C3_Q34_ImageFile_0.png

['A: Deflection of pointer increases', 'B: Deflection of pointer decreases', 'C: No deflection', 'D: Deflects and then returns to zero']

A

KM24SMA_C5_Q10

Mathematics

Given: that m[4\quad2n]=[8\quad4]{\begin{bmatrix}-2&3\\6&-1\end{bmatrix}}, calculate the values of m and n.

['A: m=-2, n=-2', 'B: m=2, n=5', 'C: m=3, n=6', 'D: m=4, n=8']

B

GG24SFI4_C3_Q4

Physics

Gravitation

The diagram below shows an object of mass 2 kg is thrown 50 m upward from the surface of the Earth. If the radius of the Earth is 6.37×10^6 m and the mass of the Earth is 5.97× 10^{24} kg, what is the gravitational force exerted on the Earth by the object?

Diagram: GG24SFI4_C3_Q4_ImageFile_0.png

['A: 19.63 N', 'B: 1.25×10^{8} N', 'C: 3.20×10^{11} N', 'D: 1.60×10^{13} N']

A

FC064244_C1_Q1

Physics

Measurement

A physical quantity is a

['A: quantity that cannot be derived from other base quantities.', 'B: quantity that contains magnitude and direction.', 'C: quantity that cannot be measured.', 'D: quantity that can be measured.']

D

KM24SMA_C2_Q10

Mathematics

Diagram 2 shows a sphere and a right cone which have the same volume. Calculate the value of t.

Diagram 2: KM24SMA_C2_Q10_ImageFile_0.png

['A: 6.75', 'B: 9.0', 'C: 10.8', 'D: 13.5']

D

GG24SFI4_C5_Q2

Physics

Waves

The diagram below shows a water wave spreading from a vibrating source at O. If the source moves up and down 5 cycles per second, what is the speed of the water wave?

Diagram: GG24SFI4_C5_Q2_ImageFile_0.png

['A: 15 m s^{-1}', 'B: 18 m s^{-1}', 'C: 30 m s^{-1}', 'D: 45 m s^{-1}']

A

QC174032_C9_Q2

Mathematics

Motion Graph

The distance-time graph shows the motion of Bernard who is walking from his house to the playground. Calculate Bernard's speed, in m s^{-1}, for the last 4 seconds.

Graph: QC174032_C9_Q2_ImageFile_0.png

['A: 0.5', 'B: 0.75', 'C: 1.0', 'D: 1.5']

A

KM24SFI_C1_Q20

Physics

Diagram 17 shows the arrangement of apparatus for an experiment. What is the conclusion from this experiment?

Diagram 17: KM24SF1_C1_Q20_ImageFile_0.png

['A: The greater the object distance, the smaller the image distance.', 'B: The greater the object distance, the greater the image distance.', 'C: The object distance is less than the focal length of the convex lens.', 'D: Thin lens formula is \\frac{1}{f}=\\frac{1}{u}+\\frac{1}{\\nu}']

A

FC064244_C2_Q13

Physics

Force and Motion I

Farid thrown a ball upward with a velocity 35 m s^{-1} as shown in the Diagram 9. How long does it take to reach Fairuz's hand?

Diagram 9: FC064244_C2_Q13_ImageFile_0.png

['A: 3.0 s', 'B: 3.5 s', 'C: 5.5 s', 'D: 7.0 s']

D

QC174032_C14_Q32

Mathematics

In a training session, the probability that Ali and Bakti score a goal in a trial is \frac{4}{9} and \frac{3}{5} respectively. Find the probability that Ali scores but Bakti does not score a goal in the trial.

['A: \\frac{8}{45}', 'B: \\frac{2}{9}', 'C: \\frac{4}{15}', 'D: \\frac{1}{3}']

A

FC065244_C3_Q12

Physics

Electricity

A copper wire has a resistance of 3.00 \Omega. A second copper wire is three times as long as the first copper wire, and the radius of its cross-sectional is half of the radius of the first copper wire. What is the resistance of the second copper wire?

['A: 12 \\Omega', 'B: 18 \\Omega', 'C: 24 \\Omega', 'D: 36 \\Omega']

D

FC065244_C2_Q25

Physics

Pressure

Diagram 15 shows a hydrometer which is used to measure the density of liquids. Which of the following is the reason for the long thin stem?

Diagram 15: FC065244_C2_Q25_ImageFile_0.png

['A: So that the hydrometer can float upright', 'B: To increase the sensitivity of the hydrometer', 'C: To reduce the weight of the hydrometer', 'D: So that the hydrometer is more stable']

B

QC174032_C7_Q7

Mathematics

Siti obtained a personal loan of RM24 000 from Bank Ajaib with an interest rate of x% per annum where the repayment period is x years. If Siti has to pay a monthly instalment of RM500, calculate the value of x.

['A: 4', 'B: 5', 'C: 8', 'D: 10']

B

GG24SFI4_C6_Q11

Physics

Light and Optics

The diagram below shows a rectangular glass block. A ray of light is incident to the glass block and refraction of light occurs. Which of the following is correct about the refraction of light in the glass block? I The speed decreases II Frequency remains unchanged III The direction is away from the normal IV The wavelength increases

Diagram: GG24SFI4_C6_Q11_ImageFile_0.png

['A: I and II', 'B: I and III', 'C: I, II, and III', 'D: I, III, and IV']

A

KM24SFI_C1_Q28

Physics

Diagram 25 shows a hydraulic brake system in a mountain bike. Which comparison is correct?

Diagram 25: KM24SF1_C1_Q28_ImageFile_0.png

['A: Pressure at brake handle > Pressure at disc brake', 'B: Pressure at brake handle < Pressure at disc brake', 'C: Pressure at brake handle = Pressure at disc brake']

C

FC065244_C6_Q15

Physics

Nuclear Physics

The activity of carbon-14 is used to determine the age of a piece of animal bone which is estimated to be a few hundred years old. Carbon-14 is suitable to be used in this case because

['A: it has a long half-life.', 'B: it emits \\beta-particles.', 'C: it is the most abundant isotope of carbon.']

A

GG24SFI4_C2_Q5

Physics

Force and Motion I

A stationary car accelerates with acceleration 4 m s^{-2}. What is the displacement of the car when its velocity is 100 m s^{-1}?

['A: 500 m', 'B: 1 250 m', 'C: 3 000 m']

B

FC065244_C1_Q5

Physics

Force and Motion II

Diagram 3 shows a pulley system. When object X is released, object Y will move on the surface with an acceleration of 0.5 m s^{-2}. If the masses of objects X and Y are 5 kg and 2 kg respectively, calculate the frictional force acting on object Y.

Diagram 3: FC065244_C1_Q5_ImageFile_0.png

['A: 24.75 N', 'B: 32.15 N', 'C: 40.85 N', 'D: 45.55 N']

D

FC065244_C2_Q28

Physics

Pressure

Diagram 18 shows an airplane with the wings in the shape of an aerofoil. The shape of the aerofoil causes an air pressure difference of 700 Pa. This pressure difference will produce lift. Given that the surface area of an airplane wing is 16 m^2. Calculate the lift force acting on the surface of the airplane wing.

Diagram 18: FC065244_C2_Q28_ImageFile_0.png

['A: 8800 Pa', 'B: 9300 Pa', 'C: 10700 Pa', 'D: 11200 Pa']

D

GG24SFI4_C2_Q32

Physics

Force and Motion I

A lorry with a mass of 3 000 kg moves with an acceleration of 2.0 m s^{-2}. What is the force acting on the lorry?

['A: 1500 N', 'B: 3000 N', 'C: 6000 N', 'D: 9400 N']

C

KM24SMA_C1_Q18

Mathematics

The area of a semicircle varies directly with the square of its radius, r cm. Given the area of a semicircle is 173.25 cm^{2} when its radius is 10.5 cm. Calculate the radius, in cm, of a semicircle with an area of 693 cm^{2}.

['A: 12', 'B: 14', 'C: 21', 'D: 28']

C

FC064244_C3_Q10

Physics

Gravitation

A planet is in circular orbit of radius r around the Sun. The period of the orbit is T. Which is the correct expression for the orbital speed \nu of the planet?

['A: \\nu = rT', 'B: \\nu = \\frac {2r}{T}', 'C: \\nu = \\frac {2\\pi r}{T}', 'D: \\nu = \\frac {\\pi r^{2}}{T}']

C

KM24SFI_C3_Q27

Physics

Diagram 19 shows a mountain climber during his climb. What will the climber experience as he approaches the summit?

Diagram 19: KM24SF1_C3_Q27_ImageFile_0.png

['A: His body tissues absorb excess nitrogen gas.', 'B: The rate of oxygen absorption into his lungs decreases.', 'C: The rate of his body metabolism decreases.', 'D: The rate of his breathing decreases.']

B

FC065244_C4_Q20

Physics

Electromagnetism

Choose the correct statements explaining the importance of transformer in the transmission of electrical energy.

['A: Can reduce resistance.', 'B: Can decrease voltage.', 'C: Can reduce energy loss.', 'D: Can increase electric current.']

C

GG24SFI4_C2_Q20

Physics

Force and Motion I

Which of the following factors will affect the inertia of an object?

['A: Size of an object', 'B: Volume of an object', 'C: Area of an object', 'D: Mass of an object']

D

KM24SMA_C2_Q15

Mathematics

Diagram 4 shows a semicircle with centre O. POS is a straight line. Calculate the value of x.

Diagram 4: KM24SMA_C2_Q15_ImageFile_0.png

['A: 60', 'B: 65', 'C: 70', 'D: 75']

A

FC064244_C6_Q23

Physics

Light and Optics

Diagram 11 shows an object placed in front of a concave lens. Calculate the distance of the image formed.

Diagram 11: FC064244_C6_Q23_ImageFile_0.png

['A: -37.5 cm', 'B: -40.0 cm', 'C: 37.5 cm', 'D: 40.0 cm']

C

KM24SMA_C5_Q15

Mathematics

A boy with a height of 1.6 m stands next to a tree at a moment. He found that his shadow is 2 m on the ground. Estimate the actual height, in m, of the tree if the difference between the actual height of the tree and its shadow is 1.2 m.

['A: 0.96', 'B: 2.67', 'C: 4.8', 'D: 5.6']

C

GG24SFI4_C6_Q18

Physics

Light and Optics

The diagram below shows an object is placed 12 cm from a convex lens. The focal length of the lens is 8 cm. What is the image distance from the lens?

Diagram: GG24SFI4_C6_Q18_ImageFile_0.png

['A: 14 cm', 'B: 18 cm', 'C: 20 cm', 'D: 24 cm']

D

GG24SFI4_C1_Q3

Physics

Measurement

Which of the following show the same unit with the product of mass and velocity?

['A: Momentum', 'B: Force', 'C: Work', 'D: Acceleration']

C

QC174032_C13_Q3

Mathematics

Consumer Mathematics: Financial Management

The following are factors that may affect the feasibility of a long-term financial plan except

['A: insurance', 'B: government policy', 'C: inflation rate', 'D: personal health']

A

FC064244_C4_Q10

Physics

Heat

0.3 kg of water at a temperature of 70^\circ{C} is added to 0.5 kg of water at 90^\circ{C}. Calculate the final temperature of the mixture.

['A: 70.0^\\circ{C}', 'B: 72.5^\\circ{C}', 'C: 80.0^\\circ{C}', 'D: 82.5^\\circ{C}']

D

KM24SMA_C1_Q25

Mathematics

[1 -3]{\begin{bmatrix}-1&2\\3&-5\end{bmatrix}} =

['A: [-10\\quad17]', 'B: [8\\quad17]', 'C: \\begin{bmatrix}-10\\\\17\\end{bmatrix}', 'D: \\begin{bmatrix}8\\\\17\\end{bmatrix}']

A

KM24SFI_C1_Q29

Physics

Diagram 26 shows a hot air balloon floating stationary in the air. The volume of the balloon is 3 500 m^3 and the density of the air is 1.25 kg m^{-3}. What is the buoyant force acting on the balloon?

Diagram 26: KM24SF1_C1_Q29_ImageFile_0.png

['A: 2.50\\times10^{3} N', 'B: 2.50\\times10^{4} N', 'C: 4.29\\times10^{3} N', 'D: 4.29\\times10^{4} N']

D