MCQ

CH15 - SUPERPOSITION

A loudspeaker is playing music in a room. The door to the room is open and has a width of 0.80 m. Sound waves of many different frequencies pass thro...

2024 Summer

5

MCQ

CH15 - SUPERPOSITION

A stationary sound wave is set up between a loudspeaker and a wall. A microphone is connected to a cathode-ray oscilloscope (CRO) and is moved along ...

2024 Summer

4

MCQ

CH15 - SUPERPOSITION

For a wire, Hooke's law is obeyed for a tension $F$ and extension $x$. The Young modulus for the material of the wire is $E$. Which expression repres...

2024 Summer

5

MCQ

CH15 - SUPERPOSITION

A guitar string is plucked. Which statement describes the resulting waves?

2024 Summer

4

MCQ

CH15 - SUPERPOSITION

A plane polarised wave has amplitude $A$. The wave is incident normally on a polarising filter. The transmission axis of the filter is at angle $\the...

2024 Summer

3

MCQ

CH15 - SUPERPOSITION

A stationary sound wave is formed in the air column inside a tube that is open at both ends. The stationary wave has three nodes. How many antinodes...

2024 Summer

5

MCQ

CH15 - SUPERPOSITION

Light of frequency $6.7 \times 10^{14}\, \text{Hz}$ in a vacuum is incident normally on a diffraction grating that contains $4.0 \times 10^{5}\, \text...

2024 Summer

4

MCQ

CH15 - SUPERPOSITION

The siren of a moving police car emits a sound wave with a frequency of 440 Hz. A stationary observer hears sound of frequency 494 Hz. The speed of so...

2024 Summer

3

MCQ

CH15 - SUPERPOSITION

What happens when two waves superpose at a point?

2024 Winter

4

MCQ

CH15 - SUPERPOSITION

Waves P and Q have the same amplitude. The waves meet in phase at point X and interfere to give a resultant wave with intensity $I$. The amplitude of...

2024 Winter

3

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