Chapter 12: Sound & Hearing - Science Mcqs for Grade 8

1.

Louder sound can cause damage to

A. hearing

B. sight

C. skin

D. brain

Answer & Solution Discuss in Board

2.

The number of vibrations in a second is called

A. pitch

B. frequency

C. amplitude

D. infrasound

Answer & Solution Discuss in Board

3.

If we tighten the strings of instrument the pitch will be

A. higher

B. lower

C. constant

D. no pitch

Answer & Solution Discuss in Board

4.

Sound having frequencies above 20000Hz are called

A. infrasound

B. ultrasound

C. mega sound

D. micro sound

Answer & Solution Discuss in Board

5.

The higher the frequency the greater will be

A. pitch

B. loudness

C. amplitude

D. infrasound

Answer & Solution Discuss in Board

6.

Sound travels at speed of 1482m/s in

A. air

B. water

C. steel

D. water

Answer & Solution Discuss in Board

7.

Unwanted sounds are called

A. noises

B. pleasant

C. fruitful

D. healthy

Answer & Solution Discuss in Board

8.

The distance from one crest to another or one to another wave is called a

A. wavelength

B. frequency

C. amplitude

D. all of them

Answer & Solution Discuss in Board

9.

Signals are sent auditory nerves to

A. brain

B. heart

C. ear drum

D. retina

Answer & Solution Discuss in Board

10.

Tiny hairs are moved due to vibrations in fluid in

A. pinna

B. ear drum

C. hammer

D. cochlea

Answer & Solution Discuss in Board

Practice MCQ Questions and answers on Chapter 12: Sound & Hearing - Science Mcqs for Grade 8

1. Louder sound can cause damage to

Answer & Solution

2. The number of vibrations in a second is called

Answer & Solution

3. If we tighten the strings of instrument the pitch will be

Answer & Solution

4. Sound having frequencies above 20000Hz are called

Answer & Solution

5. The higher the frequency the greater will be

Answer & Solution

6. Sound travels at speed of 1482m/s in

Answer & Solution

7. Unwanted sounds are called

Answer & Solution

8. The distance from one crest to another or one to another wave is called a

Answer & Solution

9. Signals are sent auditory nerves to

Answer & Solution

10. Tiny hairs are moved due to vibrations in fluid in

Answer & Solution

Read More Section(Science Mcqs)

1.

Louder sound can cause damage to

2.

The number of vibrations in a second is called

3.

If we tighten the strings of instrument the pitch will be

4.

Sound having frequencies above 20000Hz are called

5.

The higher the frequency the greater will be

6.

Sound travels at speed of 1482m/s in

7.

Unwanted sounds are called

8.

The distance from one crest to another or one to another wave is called a

9.

Signals are sent auditory nerves to

10.

Tiny hairs are moved due to vibrations in fluid in