Question

describe an experiment to prove the laws of reflection of sound

Answer 1

Answer:

Explanation:

Put two metallic or cardboard tubes as shown in Fig. These tubes are making some angle with each other. Put a clock near the end of one tube and a screen between the two tubes so that sound of clock may not be heard directly. The sound (like tick-tick) waves pass through• the tube are reflected by the drawing board.

Answer 2

Explanation:

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