Name:    9th Grade Physics- Sound and Light Waves Practice Test 2

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

1.

During World War II Navy Destroyer ships bounced sound waves off the bottom of the sea floor to identify submarines.  The US Navy used
 a. Doppler c. acoustic finder b. radar d. sonar

2.

The speed in which sound vibrates is determined by
 a. the temperature and amplitude c. the amplitude and type of medium b. amplitude only d. the temperature and type of medium

3.

As light travels from the air and then through your triple pane window glass the speed
 a. increases c. decreases b. stays the same

4.

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

5.

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

6.

These type of waves require a medium to travel through.
 a. sound and light c. sound b. light d. none of the above

7.

From left to right the frequency of the electromagnetic spectrum
 a. increases then decreases c. increases b. decreases d. stays the same through out the spectrum

8.

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

9.

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

10.

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

11.

Sound waves are categorized as
 a. electromagnetic c. transverse b. wavelength d. longitudinal

12.

The lines above represent air particles, which direction will the air particles vibrate?
 a. vertical c. circular b. horizontal d. horizontal and vertical