A wire of length 400cm is stretched between two fixed poi...
A wire of length 400cm is stretched between two fixed points. When plucked, its fundamental frequency is 150Hz. Calculate the speed of the wave produced.
250ms−1
625ms−1
1200ms−1
1500ms−1
Correct answer is C
The fundamental frequency (f0) = v2l
f0=150Hz;l=400cm=4m
150=v2×4
v=150×8=1200ms−1