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Two progressive waves y(1) = 4 sin 400 p...

Two progressive waves `y_(1) = 4 sin 400 pi t and y_(2) = 3 Sin 404 pi t` moving in the same direction superpose on each other producing beats. Then the number of beats per second and the ratio of maximum to minimum intensity of the resultant waves are respectively

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AAKASH SERIES-WAVE MOTION AND SOUND-PROBLEMS (LEVEL - I)
  1. An organ pipe has two successive harmonics with frequencies 400 and 56...

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  2. The fundamental frequency of a closed pipe is 220 H(Z). (a) Find the...

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  3. The fundamental frequency of a closed pipe is 220 H(Z). (a) Find the...

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  4. A source of frequency 10kHz when viberted over than mouth of a closed ...

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  5. A closed organ pipe and an open organ pipe of same length produce 2 be...

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  6. A tuning fork produces 4 beats per second with another tuning fork of ...

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  7. Two tuning forks when sounded together produce 5 beats in 2 seconds. T...

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  8. Two progressive waves y(1) = 4 sin 400 pi t and y(2) = 3 Sin 404 pi t ...

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  9. Calculate the frequency of beats produced in air when two sources of s...

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  10. Two sitar strings A and B playing the note ‘Ga’ are slightly out of tu...

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  11. The frequency of a tuning fork A is 2% more than the frequency of a st...

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  12. A man standing at some distance from a cliff hears the echo of sound a...

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  13. A motor car approaching a cliff with a velocity of 90 kmph sounds the ...

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  14. A person standing between two parallel hills fires a gun. He hears the...

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  15. A tuning fork of unknown frequency makes 5 beats per second with anoth...

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  16. A traffic policeman standing on a road sounds a whistle emitting the m...

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  17. A person riding a car moving at 72 km h^-1 sounds a whistle emitting a...

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  18. A person riding a car moving at 72 km h^-1 sounds a whistle emitting a...

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  19. A car moving at 108 km/h finds another car in front of it going in the...

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  20. A tuning fork of frequency 328 Hz is moved towards a wall at a speed o...

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