Chapter 11

NCERT
Class 9
Science
Solutions
4. 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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Question:

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

Answer:

To identify the different sound voices, the characteristics that help are timbre and pitch. Even if a person is sitting in a dark room with friends, they can identify different voices due to the difference in sound pitch and timbre.

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