Waves - IGCSE Edexcel 2020

Which property of the sound wave should be increased to make the sound louder?

• amplitude

• frequency

• speed

• wavelength

Which property of the sound wave should be increased to make a higher pitch?

• speed

• amplitude

• frequency

• wavelength

What is the amplitude of a wave?

• The distance between a particular point on a wave and the same point on the next wave (e.g. from crest to crest).

• The maximum movement of wave particles from their resting position (from rest to crest).

• The number of waves produced each second by a source (or number of waves passing a particular point each second).

What is the frequency of a wave?

• The distance between a particular point on a wave and the same point on the next wave (e.g. from crest to crest)

• The maximum movement of wave particles from their equilibrium position (from crest to crest).

• The number of waves produced each second by a source (or a number of waves passing a particular point each second).

When the frequency of a wave increases, the wavelength...

• increases

• decreases

Which of these properties is the same for all electromagnetic waves:

• amplitude

• frequency

• speed in free space

• wavelength in free space

Which one of the following waves has the highest frequency?

• Ultra violet

• Infrared

• Microwaves

• Visible light

Which property of the sound wave determines the volume of the sound?

• Amplitude

• Frequency

• Wavelength

A change in the observed frequency and wavelength of a wave when its source is moving relative to an observer.

This is a definition of:

• Time Period

• Wavefront

• Doppler effect

Electromagnetic waves are

• Transverse

• Longitudinal