A) \[f\]
B) \[f/2\]
C) \[3f/4\]
D) \[2f\]
Correct Answer: A
Solution :
\[f=\frac{v}{2\ell }\]now, it will act like one end opend and other closed. so, \[{{f}_{0}}=\frac{v}{4\ell '}=\frac{v}{4\frac{\ell }{2}}=\frac{v}{2\ell }=f\]
You need to login to perform this action.
You will be redirected in
3 sec
