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Others Trial 2024 Physics Kertas 1 · YIK

1
Which of the following S.I units is the basic unit of S.I?
2
Diagram 1 shows a section of ticker tape obtained from the motion of an object. The timer is powered by an alternating current power supply with a frequency of 50 Hz. Calculate the acceleration of the object.
3
Diagram 2 shows a graph of displacement against time for the movement of an object. What is the velocity of the object in the last 5 s?
4
Diagram 3 shows a feather and an iron ball that are released in a vacuum at the same height. Why do the feathers and the iron ball reach the floor at the same time?
5
Diagram 4 shows two identical eggs released from the same height onto two different surfaces. Which statement is true about the situation above. - An egg that falls on a wooden block has a high impulsive force - Eggs falling on a wooden block involve a long impact time - The soft surface of the sponge causes the impact time to increase - The rate of change of momentum of an egg falling on a sponge is low.
6
Diagram 5 shows a motorcycle hits a car. The motorcyclist was thrown forward because of
7
Diagram 6 shows a bullet with velocity, v_b is fired from a gun. If the mass of the gun is 0.1 kg, the mass of the bullet is 10 g and the recoil velocity of the gun, v_p is 0.05 m s^-1, calculate the value of v_b.
8
Diagram 7 shows a satellite that is orbiting around the Earth with a centripetal acceleration of the satellite is 7.35 m s^-2. [ Earth radius, R = 6.37 x 10^6 m ] Calculate the height of the satellite from the Earth's surface, h.
9
Which of the following are characteristics of geostationary satellites?
10
Diagram 8 shows a patient with a fever is using a cooling pad to reduce his body temperature. When the skin and the cooling pad are in thermal equilibrium, which statement is true?
11
Diagram 9 shows the formation of the sea breeze. Which statement is correct?
12
Which of the following graphs shows the relationship between pressure and temperature of a dry gas with constant mass and volume?
13
When pendulum X in Diagram 10 is displaced, which pendulum will oscillate with maximum amplitude?
14
A plane wave with a wavelength of 8.0 cm and a velocity of 2.0 cm s^-1 travels on the surface of shallow water. When the wave moves to a deeper region, its velocity becomes 12.0 cm s^-1. Calculate the wavelength of the water in the depth water.
15
Two coherent wave sources means that both wave sources have
16
The velocity of light in a vacuum is 3 x 10^8 m s^-1. The refractive index of water is 1.30. What is the velocity of light in water?
17
Diagram 11 shows an object placed in front of a concave mirror. The distance of the object is less than the focal length, f of the mirror. What are the characteristics of the image formed?
18
Diagram shows a block of wood sliding down an inclined plane. Calculate the value of F.
19
Diagram 13 shows a car moving with acceleration. Which comparison is correct for the forces acting on the car? | | F1 and F3 | F2 and F4 | |---|---|---| | A | F1 < F3 | F2 > F4 | | B | F1 = F3 | F2 > F4 | | C | F1 = F3 | F2 < F4 | | D | F1 < F3 | F2 < F4 |
20
Dams are built with the condition that the lower part is thicker than the upper part. Why is it designed that way?
21
Diagram 14 shows a gas supply connected to a manometer. The pressure exerted by the gas supply is 86 cm Hg. What is the value of h? [Atmospheric pressure = 76 cm Hg]
22
Diagram 15 shows a ping pong ball lifted upwards when the water tap is opened. Which principle of physics can explain the above situation?
23
Which diagram shows the application of Archimedes' principle?
24
Calculate the amount of electric charge, Q that flows through a bulb in 8 hours if the current through it is 0.85 A.
25
Diagram 16 shows a bulb that uses a coil of tungsten wire as a filament. What is the function of tungsten wire coil?
26
Diagram 17 shows a graph of potential difference, V against current, I through a cell. What is the internal resistance of the cell?
27
Diagram 18 shows a rice cooker labelled 240 V, 850 W. The label means the rice cooker will use
28
Diagram 19 shows interaction between the magnetic field from the bar magnet and the current carrying coil. Which pattern correctly shows the resulting catapult field pattern?
29
Diagram 20 shows direct current motor. What is the function of the component labeled X?
30
Diagram 21 shows a moving bar magnet approaching a coil. It was found that the galvanometer indicator pointer was deflected. Which of the following can be used to determine the direction of deflection of the galvanometer pointer?
31
Diagram 22 shows a superior transformer used to light a bulb at normal brightness. What is the value of the primary current, Ip?
32
What is thermionic emission?
33
Diagram 23 shows two magnets with opposite poles placed on the side of a Maltese cross tube. Which of the directions A, B, C and D is the direction of shadow deflection that can be observed on the screen?
34
A student sets up a circuit as shown in Diagram 24. It was found that the bulb does not light up. What modifications need to be made to light up the bulb?
35
Diagram 25 shows transistor circuit with a light dependent resistor (LDR). Which of the following situations will light up the bulb?
36
The equation below shows a decaying series of the Uranium-238 isotope. ^{238}_{92}U \rightarrow ^{234}_{90}Th \rightarrow ^{234}_{91}Pa \rightarrow ^{234}_{92}U \rightarrow ^{230}_{90}Th Calculate the number of alpha particles and beta particles emitted.
37
A sample of radium-226 decays by releasing 7.81 \times 10^{-13} J of energy. Calculate the mass defect of the sample.
38
In a nuclear reactor, boron is used as a control rod to
39
Which of the following is true about photons? - The shorter the wavelength of light, the less photon energy. - The higher the frequency of the light wave, the higher the quantum energy. - Photon energy is directly proportional to the frequency of light waves. - A photon is a quantum of light energy that can be transferred.
40
How do photoelectrons acquire kinetic energy?
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