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An ambulance blowing a siren of frequenc...

An ambulance blowing a siren of frequency 700 Hz is travelling towards a wall with a speed 2 `m(s)^-1.Calculate the number of beats heard in one second by the driver of the ambulance.(velocity of sound = 350 `m(s)^-1` )

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BINA LIBRARY-WAVES-EXERCISE
  1. Two tuning forks produce 4 beats per second when sounded together.On l...

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  2. When two tuning forks when sounded together,20 beats were produced in ...

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  3. An ambulance blowing a siren of frequency 700 Hz is travelling towards...

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  4. A train approaching a hill at a speed of 1 Km a minute blows a whistle...

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  5. A train whistling while approaching a railway platform with a speed of...

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  6. A transverse wave is represented by equation y= y0 sin((2pi)/lambda)(v...

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  7. In a sinusoidal wave,the time required for a particular point to move ...

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  8. If two waves of same amplitude produce a resultant wave of same ampl...

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  9. A whistle giving out 450 Hz approaches a stationary observer at a spee...

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  10. A source of sound of frequency 500 Hz is moving towards an observer wi...

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  11. A stationary sound wave has a frequency 165 Hz.Distance between two co...

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  12. The equation of a stationary wave is y=10 sin((pix)/4)cos20pit.Distanc...

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  13. The length of a string tied to supports is 40 cm.Maximum wave length o...

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  14. The tension and diameter of a sonometer wire of fundamental frequency ...

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  15. The cylindrical tube open at both ends has fundamental frequency f in ...

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  16. A progressive wave is represented by

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  17. A sine wave travelling to right is represented by the equation y=asin(...

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  18. A transverse wave is represented by the equation y=y0sin2pi(vt-x/lambd...

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  19. Which of the following remains unchanged,when the wave propagates from...

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  20. The equation of a wave is y = 20 sin(100pit-0.08pix)cm.The frequency o...

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