Give two practical applications of reflection of sound waves?

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Chapter 11 NCERT Class 9 Science SOLUTIONS

11. Give two practical applications of reflection of sound waves?

Question:

Give two practical applications of reflection of sound waves?

Answer:

The practical applications of reflection of sound waves:

Echo
Reverberation

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(All Q's of this Chapter solved)

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Flash and Thunder are produced simultaneously. But thunder is heard a few seconds after the flash is seen. Why?

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Which Characteristic of the sound helps you to identify your friend by his voice while sitting with others in a dark room?

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