A large tank is filled with water (density 
). A small hole is made at a depth 10 m below water surface. The range of water flowing out of the hole is R on ground. What extra pressure must be applied on the water surface, so that the range become 2R? (Take, 
and 
)
Text Solution
Verified by ExpertsThe correct answer is:
D
We know that, 
or 
Thus, 
To make R two times 
should be 4 times. Initially,
In second case,
extra pressure 
,
or 
Extra pressure 
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