Center of MassHard
Question
Two identical photo cathodes receive light of frequencies f1 and f2. if the velocities of the photoelectrons (of mass m) coming out are respectively v1 and v2, then
Options
A.

B.

C.

D.

More Center of Mass Questions
In a vertical plane inside a smooth hollow thin tube a block of same mass as that of tube is released as shown in figure...Two particles A and B each of mass m are attached by a light inextensible string of length 2l. The whole system lies on ...Two blocks of masses m and M are moving with speeds v1 and v2 (v1 > v2) in the same direction on the frictionless sur...A ball of mass ′m′, moving with uniform speed, collides elastically with another stationary ball. The incide...A rod of weight W is supported by two parallel knife edges A and B and is in equilibrium in a horizontal position. The k...

