Sound-Sound (CBSE Class-8 Science): Questions 1 - 4 of 4

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Question number: 1

» Sound » Sound » Concept of Sound

MCQ▾

Question

Sound is defined as:

Choices

Choice (4) Response

a.

Sound can be created or transmitted only in medium

b.

Form of energy

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 2

» Sound » Sound » Musical Instruments

MCQ▾

Question

Some crude musical instruments make soothing musical sound when struck with the help of a stick such as:

Choices

Choice (4) Response

a.

Ghattam

b.

Munjira

c.

Kartal

d.

All a. , b. and c. are correct

Question number: 3

» Sound » Sound » Sound Is Produced by a Vibrating Body

MCQ▾

Question

Sound is produced when:

Choices

Choice (4) Response

a.

The number of vibrations per second as perceived by a listener

b.

Intensity of sound

c.

To and fro motion of an object

d.

Any object that vibrates mechanically produces sound

Question number: 4

» Sound » Sound » Sound Is Produced by a Vibrating Body

MCQ▾

Question

Audible range of frequency is:

Choices

Choice (4) Response

a.

Below 20 Hz

b.

Above 20, 000Hz

c.

20 Hz to 20, 000Hz

d.

Above 20 KHz

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