Name:    9th Grade Physics- Sound and Light Waves Practice Test 1

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

Sound waves are produced by
 a. heat radiation c. air movement b. mechanical vibrations d. water movement

2.

Electromagnetic waves move as
 a. waves c. particles b. particles and waves d. neither

3.

These type of waves requires no medium for which to vibrate
 a. light c. sound and light b. sound d. none of the above

4.

The diagram above represents which type of wave?
 a. transverse c. compression b. longitudinal d. expansion

5.

The electromagnetic wave with the shortest wavelength
 a. radio waves c. gamma rays b. ultraviolet d. microwaves

6.

When you hear a jet airplane flying towards you sound increases, as it travels away from you sound decreases.  This is called the
 a. Doppler effect c. Pascal effect b. Archimedes effect d. Bernoulli effect

7.

Which color of the visible light spectrum has the  longest wavelength?
 a. red d. green b. orange e. blue c. yellow f. violet

8.

In order to increase the amount of energy in a wave you have to
 a. decrease amplitude and increase wavelength c. increase amplitude and increase wavelength b. decrease amplitude and decrease wavelength d. increase amplitude and decrease wavelength

9.

The particles in this type of wave will vibrate
 a. in a circular manner c. vertical, perpendicular to the direction of the wave b. horizontal and vertical d. horizontal to the direction of the wave

10.

Which color of the visible light spectrum has the lowest frequency?
 a. red d. green b. orange e. blue c. yellow f. violet

11.

A scuba diver shines his upward toward the surface of the lake, as the light travels from water to air the speed
 a. stays the same c. decreases b. increases

12.

Submarines bounce sound waves off the bottom of the ocean to navigate and search for enemy submarines.  This system is called
 a. radar c. sonar b. acoustic finder d. Doppler