The pressure at the bottom of a tank of water is 3P where P is the atmospheric pressure. If the water is drawn out till the level of water is lowered by one-fifth, the pressure at the bottom of the tank will now be
A
2P
B
P
C
P
D
P
Text Solution
Verified by ExpertsThe correct answer is:
B
P + h 
g = 3P
h 
g = 2P ... (1)
P' = P + 
h 
g ... (2)
From (1) and (2)
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