wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Acoustics

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

When a sound wave travels through air,

the air particles

a)

vibrate along the direction of the wave

motion

b)

vibrate but not in any fixed direction

c)

vibrate perpendicular to the direction of the wave motion

d)

do not vibrate

2.

The frequency, which is audible to the

human ear is

a)

50 kHz

b)

20 kHz

c)

15000 kHz

d)

10000 kHz

3.

The sound waves are reflected from an

obstacle into the same medium from

which they were incident. Which of the

following changes?

a)

speed

b)

frequency

c)

wavelength

d)

none of these

4.

The velocity of sound is independent of

temperature.

a)

True

b)

False

5.

Which medium will sound travel through the fastest?

a)

Air

b)

Metal

c)

Water

d)

Space

6.

Fill in the blank: Sound Waves travel fastest through solids because the atoms are ___________ compared to atoms in liquids and gases

a)

Closer together

b)

Farther apart

c)

Harder

d)

Smaller

7.

What is "frequency"?

a)

Number of times wave repeats in image

b)

Number of times wave repeats in 1 second

c)

Length of one wave

d)

How often the wave happens

8.

Which graph has a longer wavelength?

a)

Top graph

b)

Bottom graph

c)

Same wavelength

9.

Hard surfaces, such as ceramic tile, gypsum board, or wood, tend to _______ sound waves, causing ‘echo’.

a)

transmit

b)

diffract

c)

refract

d)

reflect

10.

____ is used to describe sound waves that are reflected off of surfaces

a)

reflection

b)

reverberation

c)

vibration

d)

oscillation