CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 16 - Sound Waves>OBJECTIVE I>Q 12

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IMPORTANT

Earn 100

The phenomenon of beats can take place

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Important Questions on Sound Waves

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IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 16 - Sound Waves>OBJECTIVE I>Q 13

A tuning fork of frequency

512 Hz

is vibrated with a sonometer wire, and

6

beats per second are heard. The beat frequency reduces if the tension in the string is slightly increased. The original frequency of vibration of the string is

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CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 16 - Sound Waves>OBJECTIVE I>Q 14

The engine of a train sounds a whistle at frequency

ν

. The frequency heard by a passenger is

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IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 16 - Sound Waves>OBJECTIVE I>Q 15

The change in frequency due to Doppler's effect does not depend on

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CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 16 - Sound Waves>OBJECTIVE I>Q 16

A small source of sound moves on a circle, as shown in the figure and an observer is sitting at $O$ . Let $ν_{1}$ , $ν_{2}$ and $ν_{3}$ be the frequencies heard, when the source is at $A$ , $B$ and $C$ , respectively. Then,

Question Image

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CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 16 - Sound Waves>OBJECTIVE II>Q 1

When speaking to your friend, which of the following parameters have a unique value in the sound produced?

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CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 16 - Sound Waves>OBJECTIVE II>Q 2

An electrically maintained tuning fork vibrates with a constant frequency and a constant amplitude. If the temperature of the surrounding air increases but pressure remains constant, the sound produced will have

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IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 16 - Sound Waves>OBJECTIVE II>Q 3

The fundamental frequency of a vibrating organ pipe is