Free Printable Sound

1.

By which of the following is sound produced?

a)

Rectillinear Motion

b)

Electromagnetic Waves

c)

Oscillations

d)

Hitting your head against a pillow

2.

What is vibration?

a)

Slow movement of body

b)

To and fro movement of body

c)

Rapid Shaking of body

d)

Back and forth movement of body

3.

How is sound produced in cymbals?

a)

Air Column

b)

Stretched Membrane

c)

Rapid Beating

d)

Plucking of Strings

4.

How is sound produced in Sitar?

a)

Vibration Of Strings

b)

Vibration of Sitar

c)

Vibration of Air

d)

Vibration of Stick used to play the Sitar

5.

What is the voice box also known as?

(a)

6.

Your classmate claims that he has 15mm long vocal cords. Is his statement true or false?

(a)

7.

Can two astronauts on Mars talk to each other without a communication device?

a)

Yes

b)

No

8.

Which of the following is Frequency?

a)

$\frac{\text{Osciallations}}{\text{Time}}$

b)

$\frac{\text{Time}}{\text{Oscillations}}$

c)

$\frac{\text{Time Period}}{\text{Wavelength}}$

d)

$\frac{\text{Oscillations}}{\text{Time}}$

9.

Which of the following is true?

a)

$Frequency\propto\frac{\text{1}}{\text{Pitch}}$

b)

$Loudness\ \propto Ampliude^2$

c)

$Wavelength\ =\sqrt{Time\ Period}$

d)

$Time\ Period\ =\ \sqrt{Wavelength}$

10.

Which of the following cannot be measured in decibels?

a)

Sound produced by aeroplane

b)

Sound produced by movement of clouds

c)

Sound produced by whispering

d)

Sound produced by rustling of leaves

11.

We are having a normal conversation. What is the amount of sound produced by it?

(a)

12.

Frequency determines (a) .

13.

You can hear sound till

a)

20 kHz

b)

20 mHz

c)

20 gHz

d)

20 Hz

14.

What is noise?

a)

Sound produced by transverse waves

b)

Gratifying Sound

c)

Displeasing Sounds

d)

Sounds which are more that 70Hz

15.

Which of the following can reduce noise pollution?

a)

Seeds

b)

Automobiles

c)

Rock and Roll bands

d)

Books

16.

Amplitude is the maximum (a) from the mean position of a wave

17.

What is the time taken for a wave to complete one oscillation called?

(a)

18.

Sound Quality is called

(a)

19.

Sound is a _______________ wave

a)

Latitudinal

b)

Electromagnetic

c)

Mechanical

d)

Perpendicular

20.

Which of the following affect speed of sound

a)

Temperature

b)

Medium

c)

Mass

d)

Displacement

e)

Density

21.

Speed of Sound in air at 22 degrees Celsius

(a)

22.

Sound is fastest in which medium?

a)

Plasma

b)

Solids

c)

Gases

d)

Liquids

23.

A sound wave completes 100 oscillations in 8 seconds. What is the time period? (in decimals)

(a)

24.

Which frequency is higher - A, who completes 57 oscillations in 2 minutes, or B, who completes 40 oscillations in 20 seconds

(a)

25.

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4 lines

Sound

Total questions: 25

Worksheet time: 18mins

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