waves quiz

This illustration shows three different waves traveling through the same medium. How do the waves differ from one another?

• The waves travel at different speeds.

• The waves have different wavelengths.

• The waves carry different amounts of energy.

• The waves are a different distance from the source.

What is the frequency of a wave with a speed of 40m/s and a wavelength of 5m?

(velocity = wavelength x frequency)

• 0.125 Hz

• 35 Hz

• 200 Hz

• 8 Hz

What is the speed of a 2­Hz wave that has a wavelength of 10 m?

• 5 m/s

• 8 m/s

• 12 m/s

• 20 m/s

How are electromagnetic waves different from other waves?

• They have very short wavelengths.

• They transmit energy instead of matter.

• They can travel through a vacuum and through matter.

• They can change direction by reflection when they strike an object.

Which letter shows the crest?

• F
• G
• H
• J

Is this a longitudinal or transverse wave?

• longitudinal
• transverse

Letter A represents which part of the wave?

• compressions
• crests
• wavelength
• rarefactions

The number of waves that pass a point in a given amount of time, measured in hertz.

• medium
• frequency
• amplitude
• wavelength

A wave that requires a medium to travel through

• electromagnetic wave
• longitudinal wave
• mechanical wave
• transverse wave

What is a medium?

• something between a small and a large?
• the substance through which a wave can travel
• a pattern of vibration that simulates when a wave is standing still
• the distance from any point on a wave to an identical point on the next wave