Year 9 Starter Waves Lesson 9

Which waves have the longest wavelength?

• Gamma

• Radiowaves

• Microwaves

• Infrared

Which type of waves has areas of rarefaction and compression?

• Transverse

• Sound

• Radio Waves

• UV waves

Which is an example of longitudinal waves?

• Light

• Sound

• Water Waves

• Microwave

Waves transfer _________ from one place to another.

• Water

• Energy

• Prisoners

• Sound

What is a wave?

• Vibration

• Motion

• Longitudinal

• Transverse

What happens to a sound wave if the pitch gets higher?

• Frequency gets smaller

• Amplitude gets bigger

• Frequency gets bigger

• Amplitude gets smaller

A wave has a wavelength of 0.6 m and a frequency of 12 Hz. What is the wave speed?

• 0.2 m/s

• 7.2 m/s

• 720 m/s

• 20 m/s

A wave has a speed of 4.5 m/s and a wavelength of 0.25 m. What is the frequency?

• 0.18 Hz

• 18 Hz

• 1.125 Hz

• 1125 Hz