Water pours out rate of Q from a tap, into a cylindrical vessel of radius r. The rate at which the height of water level rises the height is h, is
A. `(Q)/(pi rth)`
B. `(Q)/(pi r^(2))`
C. `(Q)/(2 pi r^(2))`
D. `(Q)/(pi r^(2) h)`
A. `(Q)/(pi rth)`
B. `(Q)/(pi r^(2))`
C. `(Q)/(2 pi r^(2))`
D. `(Q)/(pi r^(2) h)`
Correct Answer – B