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When two tuning forks were sounded toget...

When two tuning forks were sounded together , 20 beats were produced in 10 seconds. On loading one of the fork with wax, the number of beats increases. If the frequency of unloaded fork is 512Hz , calculate the frequency of other.

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When two tuning forks were sounded together, 24 beats were produced in 8 seconds. After loading one of the tuning forks with a little wax, they produce 32 beats in 8 seconds . After loading one of the tuning forks with a little wax, they produce 32 beats in 8 seconds. If the loaded fork had frequency 512 Hx, calculate the frequency of the other.

Two tuning forks when sounded together produce 3 beats per second. On loading one of them with a little wax, 20 beats are heard in 4 seconds. Find its frequency if that of other is 386.

When two tuning forks A and B are sounded together x beats//s are heard. Frequency A is n . Now when one prong of B is loaded with a little wax, the number of beats/s decreases. The frequency of fork B is

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SL ARORA-Waves-EXERCISE
  1. A resonance air column shows resonance with a tuning fork of frequency...

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  2. A metallic bar clamped at its middle point vibrates with a frequency v...

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  3. When two tuning forks were sounded together , 20 beats were produced i...

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  4. A tunning fork of unknown frequency gives 4 beats per second when soun...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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