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The length of a sonometer wire AB is 100...

The length of a sonometer wire AB is 100 cm, where should the two bridges be placed from A to divide the wire in 3 segments whose fundamental frequencies are in the ratio of 1:2:6

A

30 cm, 90 cm

B

60 cm, 90 cm

C

40 cm, 80 cm

D

20 cm, 30 cm

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The correct Answer is:
B
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AAKASH SERIES-WAVES-EXERCISE-II (Strings (Speed of a travelling wave:))
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  2. A Uniform rope having mass m hags vertically from a rigid support. A t...

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  3. The length of a sonometer wire AB is 100 cm, where should the two brid...

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  4. A 5.5 m length of string has a mass of 0.035 kg. If the tension in the...

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  5. The length of a sonometer wire tuned to a frequency of-256 Hz is 0.6 m...

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  6. The fundamental frequency of a string stretched with a weight of 4 kg ...

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  7. Two strings A and B of equal thickness are made of the same material. ...

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  8. The density of the stretched string is changed by 2% without change in...

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  9. The tension in the string is changed by 2% what is the change in the t...

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  10. To increase the frequency by 20 % ,the tension in the string vibrating...

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  11. When the tension in a string is increased by 44%. the frequency increa...

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  12. A wire having a linear mass density 5.0 xx 10^(-3) kg//m is stretched ...

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  13. In order to double the frequnecy of the fundamental note emitted by a ...

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  14. Two uniform strings A and B made of steel are made to vibrate under th...

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  15. Transverse waves are generated in two uniform steel wires A and B by a...

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  16. The third overtone produced by a vibrating string 0.5m long is 1200Hz....

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  17. A wave of frequency 100 Hz is sent along a string towards a fixed end....

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  18. Two uniform strings A and B made of steel are made to vibrate under th...

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  19. Two strings of the same material and the same area of cross-section ar...

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  20. A unifrom rope of length L and mass m(1) hangs vertically from a rigid...

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