iGCSE Waves

The units of frequency are...

• metres

• seconds

• Hertz

• degrees

Name the distance between adjacent peaks of a wave ( symbol λ)

• Amplitude

• Frequency

• Length

• Wavelength

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).

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

Sound waves are

• Transverse

• Longitudinal

What is the frequency range for human hearing?

• 200-20,000 Hz

• 20-200,000 Hz

• 20-20,000 Hz

Select all of the properties that electromagnetic waves have in common:

• They are transverse

• Have the same speed in a vacuum

• They carry information

• They transfer energy

• Can be reflected and refracted

A ray of light passes through a window. Which path does it take? 

• A
• B
• C
• D

 A parallel beam of light falls on a converging lens. Which diagram shows what happens to the beam of light? 

• A
• B
• C
• D