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 pair of quantities contains one vector and one scalar quantity?

2013 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

One property Q of a material is used to describe the behaviour of sound waves in the material. Q is defined as the pressure P of the sound wave divide...

2013 Summer

MCQ

CH3 - KINEMATICS

A cannon fires a cannonball with an initial speed $v$ at an angle $\alpha$ to the horizontal. Which equation is correct for the maximum height $H$ re...

2013 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

A wave has a frequency of 5 GHz. What is the period of the wave?

2013 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

In an experiment to determine the acceleration of free fall $g$, the period of oscillation $T$ and length $l$ of a simple pendulum were measured. The ...

2013 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

The Y-input terminals of a cathode-ray oscilloscope (c.r.o.) are connected to a supply of amplitude 5.0 V and frequency 50 Hz. The time-base is set at...

2013 Summer

MCQ

CH3 - KINEMATICS

A body is released from rest and falls vertically in air of constant density. Which statement about the motion of the falling body is correct?

2013 Summer

MCQ

CH3 - KINEMATICS

A goods train passes through a station at a steady speed of 10 m s$^{-1}$. An express train is at rest at the station. The express train leaves the st...

2013 Summer

MCQ

CH3 - KINEMATICS

A car is stationary at traffic lights. When the traffic lights go green, the driver presses down sharply on the accelerator. The resultant horizontal ...

2013 Summer

MCQ

CH4 - DYNAMICS

Which of the following is a statement of the principle of conservation of momentum?

2013 Summer