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Melaka Trial 2024 Physics Kertas 1

1
Diagram 1 shows the specification of a slow hot cooker. What is the physical quantity represented by power?
2
Diagram 2 shows the velocity against time. Find the total of displacement.
3
Diagram 3 shows a set-up to investigate the relationship between temperature and time during the cooling of hot water. A beaker of hot water is left to cool down. Which of the following is correct?
4
An atomic nucleus at rest emits an \alpha-particle of mass 4 u. The speed of the \alpha-particle is found to be 5.6 x 10^6 ms^-1. Calculate the speed with which the daughter nucleus, of mass 218 u.
5
Some tennis players can serve the ball at a speed of 55 ms¯¹, The tennis ball has a mass of 60 g. In an experiment, it is determined that the ball is in contact with the racket for 25 ms during the serve. Calculate the average force exerted by the racket on the ball.
6
Gravitational force between two bodies, planet P and Q depends on the mass of the bodies, 10 kg and 40 kg as well as the distance between them, 2r. Based on Diagram 4, calculate gravitational force
7
A satellite orbits around the Earth with a constant period T. If R is the radius of the Earth and g is the gravitational acceleration on the surface of the Earth, which expression is the radius of the orbit?
8
The escape velocity at the height of 0.2R from a planet of radius R is 10 km s^{-1}. What is the escape velocity from the surface of the planet?
9
An electric kettle with power rating 240V, power P is used to boil 2 kg of water. Diagram 5 shows the graph of temperature, T against time, t of the process Calculate the power of electric kettle, P needed to boil 2 kg of water (Muatan haba tentu air/Specific heat capacity = 4200 J kg^-1 °C^-1)
10
Based on Table 6, determine how many times more energy is required to boil a mass of water than to melt the same mass of ice?
11
The volume of an air bubble is 6 mm^3 when it is at a depth of H m below the water surface. Given that its volume is 15 mm^3 when it is at a depth of 2 m, find the value of H.
12
Diagram 7 shows a graph of displacement against time for a system experiencing damping, why does the amplitude of oscillation decrease?
13
Based on diagram 8(a), the possible position diver's image is R, S or T. Diagram 8(b) shows possible position of coach's image is P or Q Pilih gabungan kedudukan kedua-dua imej yang betul. Choose the correct combination of both image position
14
Diagram 9 shows a water wave propagating through a small gap. Which property of the diffracted wave is correct?
15
Diagrams 10 (a) and 10 (b) show the fringes formed on the screen from Young's double-slit experiment for each situation to determine the wavelength of a monochromatic light. Which combination is correct relationship of the distance between two successive bright fringes, x and colour monochromatic light use in each diagram?
16
Diagram 11 shows a communication satellite. What type of wave is used?
17
Diagram 12 shows a diamond, a mineral composed of pure carbon. Why sparkle of diamonds makes them unsurpassed as gems?
18
Based on Table 13, choose correct information of P, Q, R and T.
19
An object is put in front of a convex lens at a position of 30 cm from the optical centre. If the focal length of convex lens is 15 cm, what is the magnification ratio of the final image to object?
20
Diagram 14 shows the position of first image and the final image of an object by using compound microscope. Choose false statement.
21
Diagram 15 shows an airplane flying horizontally with increasing velocity. Which of the following statements is correct?
22
Diagram 16 shows a man pushing a lawn mower with a total force 85 N on the handle. What is the force that causes the lawn mower moves forward?
23
Diagram 17 shows a block of mass 3 kg supported by a light string on a smooth incline plane. What is the tension in the string if the block is at rest?
24
Diagram 18 shows the instrument to measure the atmospheric pressure. The name of this instrument is
25
Diagram 19 represents gas molecules contained in a cylinder. The piston is moved slowly downwards, and the temperature of the gas stays the same. Why does the pressure of the gas increase?
26
Diagram 20 shows an advertising balloon released in the morning during the opening of a shopping mall in a city. The balloon is rising slowly in the air space. Which of the following is true about the situation?
27
Diagram 21 shows water flowing into a ventury tube. At which point is the velocity of water the highest?
28
Diagram 22 show a lighted candle placed between two parallel metal plates connected to Extra High Tension (E.H.T) power supply. What happens to the candle flame when the E.H.T power is switched on?
29
A simple circuit is set up as shown in Diagram 23. The brightness of the light bulb changes as the rheostat is adjusted. Which graph best represents the relationship between potential difference, V across the bulb and current, I that flows through it?
30
Diagram 24 shows an electric circuit. What is the energy dissipated in the resistor for 1 minute?
31
Diagram 25 shows the movement of a current carrying conductor between two magnets. Which of the following will increase the speed of movement of the conductor?
32
Diagram 26 shows a bar magnet is moving towards a solenoid. What is the magnetic polarity at both ends of the solenoid, X and Y?
33
Diagram 27 shows an ideal transformer used to light up a bulb at normal brightness. What is the current Ip?
34
Thermionic emission involves
35
Diagram 28 shows a cathode ray oscilloscope (CRO) connected to an electrical circuit. Which diagram shows the trace displayed on the screen of the CRO?
36
Diagram 29 shows a transistor circuit. Resistor P has a resistance of 10 kΩ. In order to light the bulb, the potential difference across resistor P must be at least 2V. What is the maximum value of resistor S when the bulb is light up?
37
The following equation shows the decay of Thorium-234. \begin{array}{l} { }_{90}^{234} \mathrm{Th} \rightarrow{ }_{\mathrm{x}}^{226} \mathrm{Ra}+\mathrm{y}_{2}^{4} \mathrm{He}+2_{-1}^{0} \mathrm{e} \end{array} What are the values of x and y?
38
The following equation shows a nuclear fusion. The mass defect from the reaction is 0.028688 u. ^2_1H + ^3_1H -> ^4_2He + ^1_0n + energy /tenaga Calculate the energy released in the reaction.
39
Diagram 30 shows the process that occurs when light radiation enters the ear cavity. The ear cavity can act as
40
Diagram 31(a) shows the process of thermionic radiation. Diagram 31(b) shows the photoelectric effect. Which of the following is correct about the time taken for electron to release from a metal surface?
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