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A source of sound moves towards an obser...

A source of sound moves towards an observer

A

The frequency of the source is increased

B

The velocity of sound in the medium is increased

C

The wavelength of sound in the medium towards the observer is decreased

D

The amplitude of vibration of the particle is increased.

Text Solution

Verified by Experts

The correct Answer is:
C
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HC VERMA ENGLISH-SOUND WAVES-All Questions
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  2. The fundamental frequency of a vibrating organ pipe is 200 Hz.

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  3. A source of sound moves towards an observer

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  4. A listener is at rest with respect to the source of sound. A wind star...

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  5. A steel tube of length 1.00 m is struck at one end. A person with his ...

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  6. A person can hear sound waves in the frequency range 20 Hz to 20 kHz. ...

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  7. Find the minimum and maximum wavelengths of sound in water that is in ...

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  8. Sound waves from a loudspeaker spread nearly uniformly in all directio...

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  9. Ultrasonic waves of frequency 4.5 MHz are used to detect tumour in sof...

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  10. The equation of a travelling sound wave is y = 6.0 sin (600 t - 1.8 x)...

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  11. A sound wave of frequency 100 Hz is travelling in air. The speed of so...

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  12. Two point sources of sound are kept at a separation of 10 cm. They vib...

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  13. Calculate the speed of sound in oxygen from the following data. The ma...

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  14. The speed of sound as measured by a student in the laboratory on a win...

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  15. At what temperature will the speed of sound be double of its value at ...

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  16. Find the change in the volume of 1.0 litre kerosene when it is subject...

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  17. Calculate the bulk modulus of air from the following data about a soun...

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  18. A source of sound operates at 2.0 kHz, 20 W emitting sound uniformly...

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  19. The intensity of sound from a point source is 1.0 xx 10^-8 Wm^-2, at a...

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  20. The sound level at a point 5.0 m away from a point source is 40 dB. Wh...

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