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A set of 25 tuning forks is arranged in ...

A set of 25 tuning forks is arranged in order of decreasing frequency. Each fork gives 3 beats with succeeding one. The first fork is octave of the last. Calculate the frequency of the first and 16th fork.

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SL ARORA-Waves-EXERCISE
  1. A tunning fork of unknown frequency gives 4 beats per second when soun...

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  2. A tuning fork A makes 4 beats per second with a fork B of frequency 25...

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  3. A set of 25 tuning forks is arranged in order of decreasing frequency....

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  4. The string of violin emits a note of 440 Hz at its correct tension. T...

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  5. A tuning fork when vibrating along with a sonometer produces 6 beats p...

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  6. A 70 cm long sonometer wire is in unison with a tuning fork. If the le...

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  7. When two timing forks are sounded together, 4 beats per second are hea...

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  8. In an experiment, it was found that a tuning fork and sonometer wire g...

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  9. A and B are two wires whose fundamental frequencies are 256 and 382 Hz...

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  10. In an experiment, it was found that a tuning fork and sonometer wire g...

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  11. A tuning fork of frequency 300Hzresonates with an air column closed at...

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  12. A policeman blows a whistle with a frequency of 500 Hz.A car approache...

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  13. Calculate the apparent frequency of the horn of a car approaching a st...

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  14. A man standing near a railway line hears the whistle of an engine, whi...

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  15. Two engines pass each other in opposite directions with a velocity of ...

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  16. A train approaches stationary observer, the velocity of train being 1/...

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  17. When a source moves away from a stationary observer, the frequency is ...

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  18. A motor car is approaching towards a crossing with a velocity of 75 km...

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  19. Two cars are approaching each other on a straight road and moving with...

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  20. A source emitting sound of frequency 1000 Hz is moving towards an obse...

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