Highly selective Backlog Qs for JEE MainPhysicsWork, Power and Energy
A cubical vessel of height (1 ~m ) is full of water. What is the amount of work done in pumping water out of the vessel? (Take ( g = ) (10 ~m ~s ⁻² ) )
Options
- A(1250 ~J )
- B(5000 ~J )
- C(1000 ~J )
- D(2500 ~J )
Correct answer
B. (5000 ~J )
Step-by-step solution
Hints: ( aligned & V = ^3=1 ~m ^3 & ~m =1 1000=1000 ~kg ; W = mgh =1000 10 1 2 =5000 ~J aligned )