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Choose the correct alternative and write it along with its allotted alphabet:
What is the measure of the angle made by the reflected sound with the reflecting surface when the angle incidence is `30^@`
A. `0^@`
B. `30^@`
C. `90^@`
D. `60^@`

A

`0^@`

B

`30^@`

C

`90^@`

D

`60^@`

Text Solution

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The correct Answer is:
D
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NAVNEET PUBLICATION-STUDY OF SOUND-EXERCISE
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  4. Sound will not travel through ……….. .

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