A ball is dropped into a well in which the water level is at a depth `h` below the top. If the speed of sound is `C`, then the time after which the splash is heard will be give by.
A. `T=(2h)/v`
B. `T=sqrt((2h)/g)+h/v`
C. `T=sqrt((2h)/g)+h/(2v)`
D. `T=sqrt(h/(2g))+(2h)/v`
