Theory

CH4 - DYNAMICS

A pinball machine uses a spring to launch a small metal ball of mass $4.5 \times 10^{-2}\text{ kg}$ up a ramp. The spring is compressed by $8.0 \times...

2024 Summer

5

Theory

CH4 - DYNAMICS

(a) State the principle of conservation of momentum    [2] (b) An object of mass $2m$ is travelling at a speed of $5.0 \text{ m s}^{-1}$ in...

2024 Summer

3

Theory

CH4 - DYNAMICS

(a) State Hooke's law.    [1] (b) The variation of the applied force with the extension for a sample of a material is shown in Fig. 3.1. ...

2024 Summer

10

Theory

CH4 - DYNAMICS

(a) State the principle of conservation of momentum.   [2] (b) A ball X has mass 240 g and moves in a straight line on a horizontal frictio...

2024 Winter

5

Theory

CH4 - DYNAMICS

(a) Compare an $\alpha$-particle with a $\beta^+$ particle in terms of their masses and charges. [3] (b) Nucleus P undergoes $\alpha$-decay to f...

2024 Winter

5

MCQ

CH4 - DYNAMICS

Two objects X and Y form an isolated system. X and Y collide and then separate. The mass of X is greater than the mass of Y. Which statement about th...

2024 Winter

4

MCQ

CH4 - DYNAMICS

What is meant by the mass and by the weight of an object on the Earth?

2024 Summer

5

MCQ

CH4 - DYNAMICS

A lift (elevator) consists of a passenger car supported by a cable that runs over a light, frictionless pulley to a counterbalance. The counterbalance...

2024 Winter

4

MCQ

CH4 - DYNAMICS

Two train carriages each of mass 5000 kg roll toward one another on a horizontal frictionless track. One is travelling at a speed of 2.00 $m s^{-1}$ a...

2024 Winter

3

MCQ

CH4 - DYNAMICS

A lead pellet is shot vertically upwards into a clay block that is stationary at the moment of impact, but is able to rise freely after impact. The...

2024 Summer

6

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which quantity can be measured in electronvolts (eV)?

2014 Summer

2

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The unit of specific heat capacity is $\text{J kg}^{-1} \text{K}^{-1}$.What is its equivalent in terms of SI base units?

2014 Summer

2

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

What is the vertical component of this displacement vector?

2014 Summer

2

MCQ

CH2 - MEASUREMENT TECHNIQUES

The resistance of a lamp is calculated from the value of the potential difference (p.d.) across it and the value of the current passing through it.Whi...

2014 Summer

2

MCQ

CH2 - MEASUREMENT TECHNIQUES

The display on a cathode-ray oscilloscope shows the signal produced by an electronic circuit. The time-base is set at 5.0 ns per division and the Y-ga...

2014 Summer

2

MCQ

CH2 - MEASUREMENT TECHNIQUES

A digital caliper is used to measure the 28.50 mm width of a plastic ruler. The digital caliper reads to the nearest 0.01 mm. What is the correct way...

2014 Summer

2

MCQ

CH3 - KINEMATICS

An experiment is performed to measure the acceleration of free fall $g$. A body falls between two fixed points. The four measurements shown below are ...

2014 Summer

2

MCQ

CH3 - KINEMATICS

In a cathode-ray tube, an electron is accelerated uniformly in a straight line from a speed of $4 \times 10^{3} \: \text{ms}^{-1}$ to $2 \times 10^{7}...

2014 Summer

2

MCQ

CH3 - KINEMATICS

The graph shows how the speed $v$ of a sprinter changes with time $t$ during a 100 m race. What is the best estimate of the maximum acceleration of...

2014 Summer

2

MCQ

CH4 - DYNAMICS

A tennis ball is dropped onto a table and bounces back up. The table exerts a force F on the ball. Which graph best shows the variation with time t o...

2014 Summer

2