Both the strings, shown in figure, are made of same material and have same cross-section. The pulleys are light. The wave speed of a transverse wave in the string AB is ν1and in CD it is ν2. Then ν1ν2 is
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a
1
b
2
c
d
answer is D.
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Detailed Solution
Speed of transverse wave in a stretched string is given by so Considering equilibrium of the pulley having centre c, we can write