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A toy-car, blowing its horn, is moving with a steady spped of 5 m/s, away from a wall. An observer, towards whom the toy car is moving, is able to hear 5 beats per second. If the velocity of sound in air is 340 m/s, the frequency of the horn of the toy car is close to :

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A toy-car, blowing its horn, is moving with a steady speed of 5 m//s, away from a wall. An observer, towards whom the toy car is moving, is able to heat 5 beats per second. If the velocity of sound in air is 340 m/s, the frequency of the horn of the toy car is close to :

A boy is walking away from a well at a speed of 1.0 m//s in a direction at right angles to the wall. As he walks, he below a whistle steadily. An observer towards whom the boy is walking hears 4.0 beats per second. If the speed of sound is 340 m//s , what is the frequency of the whistle?

A car is moving with a constant velocity 10 m//s towards the stationary wall. The car blows a horn of frequency 320 Hz . The velocity of sound in air is 330 m//s . The beats frequency received by the observer is

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A person feels 2.5% difference of frequency of a motor-car horn. If the motor-car is moving towards the person and the velocity of sound is 320 m/s, then the velocity of motor car will be (approximately)

A listener is at rest and a police siren is moving away from the listerner at 60m/s. what frequency does the listerner hear given that the velocity of sound in air is 340m/s and frequency os siren is 500Hz?

A source of sound which emitting a sound of frequency 600 Hz is moving towards a wall with a velocity 30 m/s. Three observes A, B, C moving with velocity 20 m/s, A away from the wall and B towards the wall and Inside the source, Velocity of sound in air is 330 m/s. Find the frequency of direct sound observed by observer A

A source of sound which emitting a sound of frequency 600 Hz is moving towards a wall with a velocity 30 m/s. Three observes A, B, C moving with velocity 20 m/s, A away from the wall and B towards the wall and Inside the source, Velocity of sound in air is 330 m/s. Find the frequency of reflected sound observed by observer B

A policeman on duty detects a drop of 10% in the pitch of the horn of a moving car as it crosses him. If the velocity of sound is 330 m//s , the speed of the car will be

A source of sound which emitting a sound of frequency 600 Hz is moving towards a wall with a velocity 30 m/s. Three observes A, B, C moving with velocity 20 m/s, A away from the wall and B towards the wall and Inside the source, Velocity of sound in air is 330 m/s. Frequency of directed sound observer by observer C.

RESONANCE ENGLISH-SOUND WAVES-Exercise- 2 PART - II
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  2. A point sound is located in the perpendicular to the plane of a ring d...

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  3. Two coherent sources S(f) and S(2) (in phase with ech other) are place...

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  4. Two coherent sources are placed at the corners of a rectangular track ...

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  5. An earthquake generates both transverse (S) and longitudinal (P) sound...

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  6. A man standing in front of a mountain beats a drum at regular interval...

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  7. Loudness of sound from an isotropic point source at a distace of 70cm ...

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  8. The equation of stationary wave along a stretched string is given by y...

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  9. A standing wave y=a sin kx cos omegat is maintained in a homogeneous r...

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  10. The two pipes are submerged in sea water, arranged as shown in figure....

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  11. Two narrow cylindrical pipes A and B have the same length. Pipe A is o...

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  12. In a resonance tube experiment to determine the speed of sound in air,...

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  13. In the experiment for the determination of the speed of sound in air u...

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  14. When a tuning fork vibrates with 1.0 m or 1.05 m long wire of a , 5 be...

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  15. A toy-car, blowing its horn, is moving with a steady spped of 5 m/s, a...

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  16. S is source R us reciver. R and S are at rest. F Frequency of sound fr...

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  17. A source S emitting sound of 300 Hz is fixed on block A which is attac...

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  18. Two vehicles A and B are moving towards each other with same speed u =...

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  19. A small source of sound vibrating at frequency 500 Hz is rotated in a ...

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  20. A source of sonic oscillations with frequency n=1700Hz and a receiver ...

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