For an impulse turbine the power is maximum when the speed o

For an impulse turbine, the power is maximum when the speed of the bucket is:

A) Twice the speed of jet

B) Equal to the speed of jet

C) Hald of the speed of the jet

D) One-third of the speed of jet

E) One-fifth of the speed of jet

the power is maximum when the bucket speed is half of the speed of the jet