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A fork and a monochord string 100 cm lon...

A fork and a monochord string 100 cm long give 4 beats per second.The string is made shorter without any change of tension untill it is in unsion the frok.If its length is now 99 cm, what is the frequency if the frok ?

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The correct Answer is:
400Hz
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NN GHOSH-VIBRATIONS OF STRING-EXERCISE
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  2. When the stretching forec of a wire increased by 2.5 kg, the frequency...

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  3. A fork and a monochord string 100 cm long give 4 beats per second.The ...

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  4. Two tuning forks A and B produce 5 beats per second when sounded toget...

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  5. A string vibrates with a frequency 320 Hz.It is divied into three part...

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  7. In Melde's experiment the srting is stretched by an iron weight and th...

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  8. Two srting of the same length, radius and material are stretched by et...

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  9. Ordinary cotton thread, 200cm of which weight 1g, is used in Melde's e...

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  10. In Melde's ecperiment a srting is found to vibrate in 8 loops and the ...

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  11. A vibrator makes 150 cm of a arting vibrate in 6 loops in the longitud...

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  12. A string in Melde's experiment in the transverse arrangement vibrates...

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  13. A bridges is placed under the string the of a monochord at a point ne...

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  14. A wire of density 9000kgm^(-3) is stretched two clamps 2 m apart and i...

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  15. With what force must a wire of radius 1 mm be stretched so that the ve...

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  16. If n(1), n(2 ) "and" n(3) are the fundamental frequencies of three seg...

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  17. A metal wire of diameter 1 mm is held on two knife edges by a distance...

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  18. An aluminium wire of length 0.6 m and cross sectioal are and length 0....

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  19. Two wires of radii r and 2 r are welded together end to end . The comb...

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  20. A string 120 cm in length sustains a standing wave, with the points of...

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