A large open tank has two holes in the wall. One is a square hole of side L at a depth y from the top and the other is a circular hole of radius R at a depth 4y from the top. When the tank is completely filled with water the quantities of water flowing out per second from both the holes are the same. Then R is equal to
A
B
C
L
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Velocity of efflux when the hole is at depth h, 
Rate of flow of water from square hole
= 
Rate of flow of water from circular hole
= 
According to problem 
⇒ ⇒ 
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