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If the weight attached to the sonometer ...

If the weight attached to the sonometer wire is increased from 2 kg wt to 8 kg wt, the ratio of the number of antinodes observed in the second and first case will be

A

` 1: 1`

B

` 1 : 2`

C

` 2 : 1`

D

` 3 : 2 `

Text Solution

Verified by Experts

The correct Answer is:
C
`n propto sqrtT " " :. n_(2) = 2 n _(1) `
` :. ` The ratio of antinodes is ` 2 : 1 `
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MARVEL PUBLICATION-STATIONARY WAVES-MULTIPLE CHOICE QUESTIONS ( STANDARD LEVEL )
  1. If the vibrating length of a string is increased by 25%, then its fund...

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  2. The length of a sonometer wire between two fixed ends is 110cm. Where ...

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  3. Two wires of the same material and same cross sectional area are vibra...

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  4. The fundamental frequency of a sonometer wire is 100 Hz. If a weigth o...

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  5. A string of length L between the two bridges of sonometer wire vibrate...

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  6. A tuning fork of frequency 400 Hz, produces 10 beats/ sec, when sounde...

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  7. A pulse of a wave train travels along a stretched string and reaches t...

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  8. If you set up the seventh harmonic on a string fixed at both ends, how...

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  9. The fundamental frequency of a sonometer wire is 200 Hz. It is found...

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  10. A sonometer wire is in unison with a tuning fork . When its length inc...

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  11. A string is kept stretched under a tension T, the velocity of transve...

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  12. A stretched string is vibrating in the second overtone, then the num...

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  13. Stationary waves are produced in 10 m long stretched string. If the st...

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  14. A tuning fork produces 4 beats /sec, with a sonometer wire of length 4...

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  15. A sonometer wire is resonating with a tuning fork of frequency N. If i...

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  16. A wire of mass 5 gram is kept stretched by a force of 400 N. When pluc...

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  17. If the weight attached to the sonometer wire is increased from 2 kg wt...

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  18. Two travelling waves y1=Asin[k(x-ct)] and y2=Asin[k(x+ct)] are superim...

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  19. The length and diameter of a metal wire is doubled the fundamental fr...

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  20. Standing waves are produced on a string of length 2 m and of linear ma...

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