A steel wire of length 0.50m is stretched between two fixed points and its fundamental frequency is 200Hz. The speed of the wave in the wire is
-
A.
100ms-1 -
B.
120ms-1 -
C.
200ms-1 -
D.
250ms-1
Correct Answer: Option C
Explanation
In strings, (lambda) = 2L
V = F(lambda)
= 200 x 2 x 0.5
= 200ms-1