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Two stretched wires of same length, diam...

Two stretched wires of same length, diameter and same material are in unison. The tension in one is increased by 2% and 2 beats per second are heard. What was the frequency of the note produced when they were in unision

A

100 Hz

B

200 Hz

C

300 Hz

D

400 Hz

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-WAVES-EXERCISE-II (Beats : )
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  2. Two tuning forks when sounded together produce 5 beats in 2 seconds. T...

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

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  5. The frequency of a tuning fork A is 5% greater than that of a standard...

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  6. 64 tuning forks are arranged such that each fork produces 4 beats per ...

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  7. A tuning fork of unknown frequency produces 4 beats per second with an...

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  8. A tuning fork produces 7 beats/s with a tuning fork of frequency 248Hz...

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  9. Tuning fork A of frequency 258 Hz gives 8 beats with a tuning fork B. ...

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  10. Two tuning forks A and B vibrating simultaneously produces, 5 beats. ...

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  11. Tuning fork A of frequency 258 Hz gives 8 beats with a tuning fork B. ...

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  12. Two tuning forks A and B vibrating simultaneously produces, 5 beats. ...

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  13. A tuning fork of frequency 340 Hz produces 5 beats per second with a s...

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  14. Two tuning forks x and y produce tones of frequencies 256 Hz and 262 H...

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  15. A source frequency f gives 5 beats when sounded with a frequency 200Hz...

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  16. The wavelength of two notes in air are 40/195 m and 40/193 m. Each not...

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  17. When a vibrating tuning fork is placed on a sound box of a sonometer, ...

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  18. Three sound waves of equal amplitudes have frequencies (n-1),n,(n+1). ...

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  19. The frequencies of three tuning forks A, B and C have a relation n(A)g...

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  20. Two identical piano wires have a fundamental frequency of 600 cycle pe...

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