Theory

CH14 - WAVES

(a) Explain the main principles behind the use of ultrasound to obtain diagnostic information about internal body structures.   [4] (b) Dat...

2009 Summer

MCQ

CH14 - WAVES

The order of magnitude of the frequency of the longest-wavelength ultraviolet waves can be expressed as $10^x$ Hz. What is the value of $x$?

2009 Winter

MCQ

CH14 - WAVES

The light from two lasers passes through a vacuum. One laser emits red light and the other emits green light. Which property of the two laser beams m...

2009 Winter

Theory

CH14 - WAVES

(a) State what is meant by a progressive wave.   [2] (b) The variation with distance x along a progressive wave of a quantity y, at a parti...

2009 Winter

MCQ

CH14 - WAVES

Electromagnetic waves from an unknown source in space were found to be significantly diffracted when passing through gaps of the order of $10^{-5}\, \...

2010 Summer

MCQ

CH14 - WAVES

Electromagnetic waves from an unknown source in space were found to be significantly diffracted when passing through gaps of the order of $10^{-5} \te...

2010 Summer

Theory

CH14 - WAVES

(a) A source of sound has frequency $f$. Sound of wavelength $\lambda$ is produced by the source. (i) State what is meant by the frequency of the so...

2010 Summer

Theory

CH14 - WAVES

Explain the main principles behind the generation of ultrasound to obtain diagnostic information about internal body structures.

2010 Summer

Theory

CH14 - WAVES

Explain the main principles behind the $\textbf{generation}$ of ultrasound to obtain diagnostic information about internal body structures.

2010 Summer

MCQ

CH14 - WAVES

The graph shows how the displacement of a particle in a wave varies with time. Which statement is correct?

2010 Winter

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which term represents a physical quantity?

2022 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which two units are identical when expressed in terms of SI base units?

2022 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

A value for the acceleration of free fall on Earth is given as $(10 \pm 2) \text{ m s}^{-2}$.Which statement is correct?

2022 Summer

MCQ

CH3 - KINEMATICS

Two cables are attached to a bracket and exert forces as shown. What are the magnitudes of the horizontal and vertical components of the resultant ...

2022 Summer

MCQ

CH3 - KINEMATICS

The curved line PQR is the velocity–time graph for a car starting from rest. What is the average acceleration of the car over the first 5 s?

2022 Summer

MCQ

CH3 - KINEMATICS

A ball is thrown horizontally with a speed of 10.0 \text{ ms}^{-1} above horizontal ground. The ball hits the ground after a time of 3.0 s. Air resis...

2022 Summer

MCQ

CH3 - KINEMATICS

An object is moving along the ground in a straight line at a constant speed. Which statement about the resultant force acting on the object is correct...

2022 Summer

MCQ

CH5 - FORCES, DENSITY & PRESSURE

Water flows out of a pipe and hits a wall. When the jet of water hits the wall, it has horizontal velocity $v$ and cross-sectional area $A$. The d...

2022 Summer

MCQ

CH5 - FORCES, DENSITY & PRESSURE

A projectile is launched at an angle above horizontal ground and travels through the air. The projectile reaches its maximum height at position X. ...

2022 Summer

MCQ

CH5 - FORCES, DENSITY & PRESSURE

What is a statement of the principle of conservation of momentum?

2022 Summer