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

3

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 unit is not an SI base unit?

2023 Summer

3

MCQ

CH2 - MEASUREMENT TECHNIQUES

What is the best estimate of the number of atoms in a piece of metal of volume 50 cm$^3$?

2023 Summer

3

MCQ

CH2 - MEASUREMENT TECHNIQUES

A copper pipe has a true diameter of 42.03 mm.A builder measures the diameter of the pipe five times using digital calipers. The measurements are show...

2023 Summer

3

MCQ

CH3 - KINEMATICS

Two forces, each of 10 N, act at a point P, as shown. The angle between the directions of the forces is 120°. What is the magnitude of the result...

2023 Summer

2

MCQ

CH3 - KINEMATICS

One object moves directly from P to R. In a shorter time, a second object moves from P to Q to R. Which statement about the two objects is correct...

2023 Summer

3

MCQ

CH3 - KINEMATICS

A ball is kicked so that it has an initial velocity of 12 m s⁻¹ at an angle of 50° to horizontal ground. Assume that air resistance is neg...

2023 Summer

2

MCQ

CH4 - DYNAMICS

A camera drone of mass 1.20 kg hovers at a fixed point above the ground. The drone has four propellers. In a time of 1.00 s, each propeller pushes ...

2023 Summer

2

MCQ

CH4 - DYNAMICS

A box rests on the Earth, as shown. Newton’s third law describes how forces of the same type act in pairs. One of the forces of a pair is the w...

2023 Summer

3

MCQ

CH5 - FORCES, DENSITY & PRESSURE

A small ball is held at the surface of liquid oil in a container. The ball is released from rest and falls through the oil. The ball has velocity $v$....

2023 Summer

3

MCQ

CH4 - DYNAMICS

An object of mass $m$, moving at speed $u$ along a frictionless horizontal surface, collides head-on with a stationary object of mass $4m$. After t...

2023 Summer

2