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Choose the correct alternative and write it along with its allotted alphabet:
Which of the following is the requirement for regular reflection of sound?
A. smooth surface
B. Rough surface
C. Vacuum
D. Transparent rough surface

A

smooth surface

B

Rough surface

C

Vacuum

D

Transparent rough surface

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The correct Answer is:
A
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NAVNEET PUBLICATION-STUDY OF SOUND-EXERCISE
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  2. Fill in the blanks with appropriate words and write the complete state...

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  3. Choose the correct alternative and write it along with its allotted al...

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  4. Choose the correct alternative and write it along with its allotted al...

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  5. Choose the correct alternative and write it along with its allotted al...

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  6. Sound will not travel through ……….. .

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  7. Fill in the blanks and explain: The velocity of sound in steel is…….....

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  8. Fill in the blanks and explain: The incidence of……in daily life shows...

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  9. Fill in the blanks and explain: To discover a sunken ship or objects ...

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  10. State whether the following statements are True or False: Wave speed,...

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  11. State whether the following statements are True or False: Infrasound ...

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  12. State whether the following statements are True or False: Ultrasound ...

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  13. State whether the following statements are True or False: SONAR techn...

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  14. State whether the following statements are True or False: Ultrasonic ...

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  15. State whether the following statements are True or False: The speed of...

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  16. State whether the following statements are True or False: The speed o...

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  17. State whether the following statements are True or False: Loudness is...

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  18. State whether the following statements are True or False: Infrasound ...

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  19. State whether the following statements are True or False: A hard and ...

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