A large tank is filled with water (density = 1000 kg m-3). A small hole is made at a depth 10m below water surface…..

Q: A large tank is filled with water (density = 1000 kg m^-3). A small hole is made at a depth 10m below water surface. The range of water issuing out of the whole is R on the ground. Approximately, what extra pressure must be applied on the water surface, so that range becomes 2R? (Given, 1atm = 10⁵ Pa and g = 10ms^-2)

(a) 9 atm

(b) 4 atm

(c) 5 atm

(d) 3 atm

Ans: (d)