Chapter 15 Wave Test

Which type of wave can travel through empty space?

• Sound waves

• Electromagnetic waves

• Spring waves

• Water waves

Sound waves are...

• Longitudinal

• Transverse

• Partly longitudinal and partly transverse

• Sometimes longitudinal and sometimes transverse

In the figure shown, point B is called a...

• Compression

• Crest

• Diffraction

• Trough

The amplitude of a wave is...

• The distance the wave moves in one second.

• The distance the wave moves in one time period of the wave.

• The distance between the crest and the rest of the position of the wave.

• The distance equal to one wave length.

Which one of the following is NOT an example of a mechanical wave?

• Sound wave

• Water wave

• Earthquake wave

• Radio wave

Which of the following is NOT a medium through which a mechanical wave can travel?

• Solid

• Vacuum

• Gas

• Liquid

If the frequency of a sound wave is 7.0 Hz, and the sound wave travels through the air at a speed of 350 m/s, what is the wavelength?

• 0.02 m

• 50 m

• 343 m

• 2,450 m

A place where particles are far apart is a...

• Refraction

• Reflection

• Rarefaction

• Compression

The more energy that the wave shown in this figure carries, the greater is its...

• Amplitude

• Density

• Frequency

• Pitch

The energy carried by a sound wave_ as its amplitude_.

• Decreases, stays the same

• Decreases, increases

• Increases, decreases

• Increases, increases