Module 9 Exam - Mechanical Wave Types

Sound waves often bend around columns in large concert halls. Is this a result of refraction or diffraction?

• diffraction

• reflection

• absorption

• polarization

Identify the parts of a transverse wave using the following terms: wavelength, trough, crest, amplitude.

• 1. crest 2. amplitude 3. wavelength 4. trough

• 1. trough 2. wavelength 3. amplitude 4. crest

• 1. amplitude 2. crest 3. trough 4. wavelength

• 1. wavelength 2. trough 3. crest 4. amplitude

Which is a type of wave?

• crest

• trough

• frequency

• seismic

Which types of waves can travel through a vacuum?

• mechanical

• light

• sound

• seismic

The (a)   is an imaginary line perpendicular to the surface of a medium where a wave strikes it.

• normal

• incidence

• diffraction grating

• interference

What is the frequency of a wave if its wavelength is 5 m and its speed is 20 m/s?

• 4 Hz

• 0.25 Hz

• 25 Hz

• 100 Hz

(a)   are combinations of longitudinal and transverse waves.

• Seismic waves

• Waves on a rope

• Light waves

• Sound waves

The distance between the rest position and the trough of a transverse wave is its _____

• wave frequency

• wave intensity

• wavelength

• wave amplitude

As frequency increases, wavelength _____

• becomes faster

• remains constant

• increases

• decreases

The effect of two waves overlapping to form a wave with amplitude less than at least one of the original waves is called _____

• destructive interference

• constructive interference

• diffraction

• resonance