Physics, asked by praveenamahesh2, 9 months ago

For reflection of sound wave, we need:
b) A glass plate
a) A large size, opaque reflecting
surface
c) A polished mirror
d) A concave surface painted blue

Answers

Answered by TheDivineSoul

20

Answer:

A is the correct answer

Answered by aryansingh8284pcbsg7

1

Answer:

your answer is A glass plate

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