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AP and TS EAMCET Engineering Model Paper 17
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Question : 100
Total: 160
A string fixed at both ends is vibrating in the lowest mode of vibration for which a point at quarter of its length from one end is a point of maximum displacement. The frequency of vibration in this mode is 100 Hz. What will be the frequency emitted when it vibrates in the next mode such that this point is again a point of maximum displacement
400 Hz
200 Hz
600 Hz
300 Hz
Validate
Solution:
Initially string is vibrating in two loops
When it vibrates in six loops, then that point (L/4) will be again of maximum displacement.
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