Science, asked by 1234rohitchaudhary, 7 months ago

18. What causes reverberation?
a) Interference
b) Diffraction
c) Refraction
d) Reflection
19. Both light and sound waves:
a) Can be diffracted
b) Can be polarized
c) Can travel in vacuum
d) Are electromagnetic waves

Answers

Answered by Anonymous

7

Answer:

18:- Reflection of sounds on hard surface.

option d:- Reflection.

19:- can be diffracted.

Explanation:

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Answered by Bhagwant04

0

Answer: c

Explanation:

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