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When the stretching forec of a wire incr...

When the stretching forec of a wire increased by 2.5 kg, the frequency of the note emitted is changed in ration 2/3.Calculate the original force

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2kg
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NN GHOSH-VIBRATIONS OF STRING-EXERCISE
  1. Two tuning frok when sounded together give 4 beats per second.One is i...

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  2. the frequency of a note emitted by a silver wire of length 25 cm is 25...

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  3. When the stretching forec of a wire increased by 2.5 kg, the frequency...

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

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

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  6. 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 vibrates in 4 loops when a 50 g weig...

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

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

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

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

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

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

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

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

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

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

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

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

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

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