Figure shows the shape of part of a long string in which transverse waves are produced by attaching one end of the string to tuning fork of frequency 250 Hz. What is the velocity of the waves?
A
1.0ms−1
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B
1.5ms−1
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C
2.0ms−1
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D
2.5ms−1
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Solution
The correct option is A1.0ms−1 f = 250 Hz λ=0.5−0.1 = 0.4 cm v=fλ =250×0.4×10−2 =1ms−1