4F - 1. Characteristics of a Wave

What happens when waves reach the beach?

• They start to break.

• They move faster.

• They disappear completely.

• They change color.

What is the natural home of surfers?

• Still water

• Breaking waves

• Calm lakes

• Deep oceans

What does a ripple tank consist of?

• A large pool of water

• A shallow glass-bottomed tank

• A deep ocean

• A swimming pool

What does the wavelength of a wave measure?

• The height of the wave

• The time taken for a wave to pass

• The distance from one crest to the next

• The speed of the wave

What is the amplitude of a wave?

• The distance between two waves

• The maximum displacement from its undisturbed level

• The speed of the wave

• The frequency of the wave

What type of wave has particles moving at right angles to the direction of the wave?

• Sound waves

• Surface waves

• Transverse waves

• Longitudinal waves

What happens to the wave when it passes through a gap in a barrier?

• It moves faster.

• It spreads out.

• It disappears.

• It changes color.

What is constructive interference?

• When two waves meet and add up

• When waves diffract around an obstacle

• When waves reflect off a surface

• When waves cancel each other out

What is the frequency of a wave?

• The distance between crests

• The number of waves per second

• The height of the wave

• The time for one wave to pass

What is the period of a wave?

• The time taken for one complete wave to pass

• The distance from crest to trough

• The speed of the wave

• The maximum height of the wave