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Standard VIII

Physics

Characteristics of Sound

A source emit...

Question

A source emits sound of frequency 600 Hz inside water. The frequency heard in air will be equal to :
(velocity of sound in water = 1500 m/s, velocity of sound in air = 300 m/s)

3000 Hz

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120 Hz

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600Hz

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6000 Hz

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Solution

The correct option is B 600Hz
Frequency of the a particular wave remains constant in all medium, but its velocity as well as wavelength vary with medium.Thus the source emits sound of frequency of $600 H z$ inside water and in air also.

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A source emits sound of frequency 600 Hz inside water. The frequency heard in air will be equal to :(velocity of sound in water = 1500 m/s, velocity of sound in air = 300 m/s)

The correct option is B 600HzFrequency of the a particular wave remains constant in all medium, but its velocity as well as wavelength vary with medium.Thus the source emits sound of frequency of 600Hz inside water and in air also.

A source emits sound of frequency 600 Hz inside water. The frequency heard in air will be equal to :
(velocity of sound in water = 1500 m/s, velocity of sound in air = 300 m/s)

The correct option is B 600Hz
Frequency of the a particular wave remains constant in all medium, but its velocity as well as wavelength vary with medium.Thus the source emits sound of frequency of $600 H z$ inside water and in air also.