Sound Test

Question 1
1 / -0

The maximum displacement of a sound wave on either side of the mean position of its vibration is the measure of its

A
amplitude

B
frequency

C
period

D
speed

Question 2
1 / -0

With reference to sound, the number of to and fro motions of a membrane in per unit time is expressed in the unit of

A
angstrom

B
second

C
meter

D
hertz

Question 3
1 / -0

The loudness of a sound is determined by

A
the amplitude of the vibrations of the sound

B
how fast the source is moving to and fro

C
the size of the source of the sound

D
how it is reflected from a surface

Question 4
1 / -0

Nowadays, government and local bodies are taking initiatives in roadside plantation. This helps in

A
reducing noise pollution

B
reducing traffic congestion

C
increasing the durability of roads

D
increasing the visibility of drivers

Question 5

1 / -0

Use the following information to answer the next question.

Humans cannot hear all the sounds produced in their surroundings. The sounds whose frequencies fall in the audible range can only be heard by humans. The lower limit of the audible range for human ears is 20 Hz and the upper limit is a × 10^b Hz.

What are the respective values of a and b?

1 and 2

2 and 4

3 and 2

1 and 3

Question 6
1 / -0

What should a hearing-impaired person wear in order to enhance his hearing power by amplifying sound?

A
Ear-horn

B
Stethoscope

C
Mobile headset

D
Jackhammer’s headphone

Question 7
1 / -0

With reference to the human ear, exposure to excessive sound may damage its

A
pinna

B
eardrum

C
ear canal

D
Eustachian tube

Question 8
1 / -0

Vibration can be defined as the

A
stretching of a membrane

B
roughness of a membrane

C
circular motion of a membrane

D
to and fro motion of a membrane

Question 9
1 / -0

Use the following information to answer the next question.

One of the prongs of a tuning fork is struck against a rigid wall. A to and fro motion of the prongs is observed. Then, the vibrating fork is touched to a still water surface.

Which of the following phenomena is observed in the water?

A
Water starts boiling

B
Water starts freezing

C
Water surface starts rotating

D
Water surface starts vibrating

Question 10
1 / -0

The plucking of a stretched metal wire produces sound because

A
of change in atmospheric pressure around the wire

B
it is made up of a good conductor of electricity

C
of generation of heat

D
it starts vibrating

Question 11
1 / -0

Which part of the human body vibrates to produce sounds?

A
Windpipe

B
Eardrum

C
Vocal cord

D
Nasal cavity

Question 12
1 / -0

The sound coming from an alarm clock cannot be heard if it is kept inside a box that is

A
filled with liquid only

B
filled with both solid and liquid

C
made up of iron with air inside it

D
devoid of any material medium inside

Question 13
1 / -0

Which of the following actions is not related to the production of sound by humans?

A
The forcing out of air by the lungs through the windpipe

B
The expansion of the lungs in order to fill air

C
The loosening of the vocal cord

D
The vibration of the vocal cord

Question 14

1 / -0

Use the following information to answer the next question.

The given table lists the main parts of the human ear that take part in hearing.

Parts of the human ear

I. Ear canal

II. Three tiny bones

III. Eardrum

IV. Cochlea

The order in which sound vibration moves through the human ear is

I → II → III → IV

I → III → II → IV

III → I → IV → II

III → IV → I → II

Submit Test

Sound Test - 10...

Question 1

amplitude

frequency

period

speed

Question 2

angstrom

second

meter

hertz

Question 3

the amplitude of the vibrations of the sound

how fast the source is moving to and fro

the size of the source of the sound

how it is reflected from a surface

Question 4

reducing noise pollution

reducing traffic congestion

increasing the durability of roads

increasing the visibility of drivers

Question 5

1 and 2

2 and 4

3 and 2

1 and 3

Question 6

Ear-horn

Stethoscope

Mobile headset

Jackhammer’s headphone

Question 7

pinna

eardrum

ear canal

Eustachian tube

Question 8

stretching of a membrane

roughness of a membrane

circular motion of a membrane

to and fro motion of a membrane

Question 9

Water starts boiling

Water starts freezing

Water surface starts rotating

Water surface starts vibrating

Question 10

of change in atmospheric pressure around the wire

it is made up of a good conductor of electricity

of generation of heat

it starts vibrating

Question 11

Windpipe

Eardrum

Vocal cord

Nasal cavity

Question 12

filled with liquid only

filled with both solid and liquid

made up of iron with air inside it

devoid of any material medium inside

Question 13

The forcing out of air by the lungs through the windpipe

The expansion of the lungs in order to fill air

The loosening of the vocal cord

The vibration of the vocal cord

Question 14

I → II → III → IV

I → III → II → IV

III → I → IV → II

III → IV → I → II

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Question Analysis

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