Unit 2: Waves and Electromagnetic Radiation Unit Test

A system of using the reflection of underwater sound waves is ...

• acoustics

• radar

• sonar

• resonance

When light bounces off a surface it is called ...

• reflection

• refraction

• diffraction

• interference

Tsunamis have a large amount of energy because of their large _____.

• wavelength

• amplitude

• frequency

• diffraction

In the figure shown, the light waves change direction and the pencil image is distorted in the water as a result of ______

• diffraction

• reflection

• refraction

• reverberation

A (n) ______ is a region where matter is more closely spaced in a longitudinal wave.

• medium

• compression

• frequency

• crest

The Sun gives off energy that travels through space in the form of ________

• medium

• frequency

• interference

• electromagnetic waves

The highest point on a transverse wave is a (n)

• crest

• amplitude

• trough

• wavelength

A (n) _______________ travels in a straight path until it is refracted, reflected, or absorbed.

• opaque

• pitch

• light ray

• lens

The lowest point on a transverse wave is a(n) ___________

• crest

• amplitude

• trough

• wavelength

When sound travels through air, the particles _________

• vibrate along the direction that the wave travels

• vibrate but not in any fixed direction

• vibrate perpendicular to the direction that the wave travels

• do not vibrate