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Melaka Trial 2023 Physics Kertas 1 · UD3

1
Which of the following is a scalar quantity?
2
Diagram 1 shows a graph y against x. What is the relationship for a graph above?
3
Diagram 2 shows a section of the ticker tape taken from the motion of a trolley in an experiment using a ticker timer with frequency 50 Hz. Calculate the acceleration of the trolley.
4
Diagram 3 shows a displacement-time graph of a moving motorcycle. Which pair of object motion from Q to S is correct? | | Jenis gerakan QR Type of motion QR | Jenis gerakan RS Type of motion RS | |---|---|---| | A | Halaju berkurang Velocity decreases | Halaju seragam pada arah yang bertentangan Uniform velocity in the opposite direction | | B | Halaju bertambah Velocity increases | Halaju seragam pada arah yang bertentangan Uniform velocity in the opposite direction | | C | Halaju berkurang Velocity decreases | Halaju seragam pada arah yang sama Uniform velocity in the same direction | | D | Halaju bertambah Velocity increases | Halaju seragam pada arah yang sama Uniform velocity in the same direction |
5
Diagram 4 shows a velocity-time graph for a motion of a toy car. What is the displacement of the car in 6 s?
6
According to the Newton's Universal Law of Gravitation, the gravitational force between two objects is directly proportional to
7
Diagram 5 shows a water rocket as it was launched. This situation can be explained by
8
A man-made satellite orbits around the Earth at the height of 1720 km. What is the linear speed of the satellite? [Mass of the Earth 5.97 \times 10^{24} kg, Radius of the Earth : 6.37 \times 10^6 m, G = 6.67 \times 10^{-11} N m^2 kg^{-2} ]
9
Diagram 6 shows an illustration of Kepler's Second Law. The planet took the same period to move from A to B as compared to moving from C to D through the orbit. Which of the following is true?
10
Diagram 7 shows two objects that are in thermal equilibrium. Which statement is correct for these two objects?
11
A gas of constant mass has a volume V at a temperature of 40°C and a constant pressure. What is the temperature of the gas if the volume of the gas increases to 3V?
12
Diagram 8 shows the movement of air during a land breeze. Which of the following statements is true?
13
Diagram 9 shows a wave propagating from P to Q. Which of the following is true about the direction of vibration and the direction of energy transfer between P and Q? | | Arah Gerakan Direction of vibration | Arah pemindahan tenaga The direction of energy | |---|---|---| | A | | | | B | | | | C | | | | D | | |
14
Diagram 10 shows a graph of the change in wave displacement against time at a point along the wave. What is the physical quantity that is constant?
15
Which of the following electromagnetic radiation has the highest energy?
16
Diagram 11 shows the interference patterns for water waves from two coherent sources, S1 and S2. Which of the following shows the superposition of the waves at point Y?
17
What will happen when light refracted from denser medium to a less dense medium?
18
An object with a height of 50 cm is placed at a distance of 60 cm from a concave lens. The focal length of the lens is 20 cm. State the characteristics of the image formed by the lens.
19
Diagram 12 shows an object in front of a convex lens and its image. What is the focal length of the lens?
20
Diagram 13 shows an object placed in front of a concave mirror. F is the focal point of the mirror. What are the characteristics of the image formed?
21
Which of the following Diagrams produces zero resultant force?
22
Diagram 14 shows a method to determine resultant force of the forces P and Q. Which of the following represent the magnitude of the resultant force?
23
Diagram 15 shows a truck pulling a car with a piece of iron chain that makes an angle of 60° with the horizontal surface. If the tension of the iron chain is 5 000 N, what is the horizontal force acting on the car?
24
Diagram 16 shows two pupils pushing a large box with forces F_1 and F_2 respectively. Magnitude of the forces F_1 and F_2 are the same. The box is in equilibrium. Which relationship is correct?
25
The gas pressure in the container is due to the collision of the gas molecules with walls. Which change will increase the gas pressure?
26
Liquid level apparatus is filled with coloured water. Based on the following answers, which is the correct diagram based on the experiment?
27
A ball is thrown in a rotation moving forward in a curved path as shown in Diagram 17. The curved ball path is due to
28
Diagram 18 shows a wire-wound rheostat. Which physical quantity varies when the touch point is moved left and right?
29
Diagram 19 shows a bulb in which the filament is made of coiled tungsten wire. The function of coiled tungsten wire is to
30
Diagram 20 shows an air fryer with power rating of 240 V, 2 200 W. How much the amounts of current flows through the air fryer?
31
Diagram 21 shows a system for the transmission of electricity. Transformer P is used for
32
Diagram 22 shows Fleming's left-hand rule used to determine the direction of force. What is represented by P, Q and R? | | P | Q | R | |---|---|---|---| | A | Medan magnet Magnetic field | Daya Force | Arus Current | | B | Daya Force | Medan magnet Magnetic field | Arus Current | | C | Arus Current | Daya Force | Medan magnet Magnetic field | | D | Daya Force | Arus Current | Medan magnet Magnetic field |
33
Diagram 23 shows a copper rod cut magnetic flux. Which of the following pair is correct to show the direction of induced current and direction of deflection of pointer in galvanometer? | | Arah arus aruhan Direction of induced current | Arah pesongan penunjuk galvanometer Direction of deflection of pointer of galvanometer | |:--|:-----------------------------------|:---------------------------------------------------| | A | P | Kiri Left | | B | Q | Kanan Right | | C | P | Kanan Right | | D | Q | Kiri Left |
34
Diagram 24 shows an electron beam produced from the surface of cathode. Name the process involve.
35
Diagram 25 shows connection of a diode in a simple circuit. Which of the following statement is correct when the switch is on?
36
Diagram 26 shows a temperature-controlled alarm circuit. The pontential difference across XY mest be at least 4.5 V to turn on the 6 V bulb. What is the resistance of thermistor, RT when the bulb is light up?
37
In the nuclear reaction below, how many α particles and β particles are emitted? \begin{array}{cc} 232 \\ 91 \end{array} X \rightarrow \begin{array}{cc} 208 \\ 82 \end{array} Y | | α | β | |---|---|---| | A | 1 | 1 | | B | 3 | 6 | | C | 4 | 2 | | D | 6 | 3 |
38
The process of splitting a nucleus of an atom into lighter nuclei is known as
39
Which of the following statement is not characteristics of photoelectric effect?
40
The maximum wavelength able to release electron from sodium surface is 650 nm. Determine the maximum kinetic energy of electron ejected from sodium surface if light of wavelength 436 nm is incident on its surface in vacuum.
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