1.

A photo cell is receiving light from a source placed at a distance of 1 m. If the same source is to be placed at a distance of 2 m, then the ejected electron [MNR 1986; UPSEAT 2000, 01]

A.            Moves with one-fourth energy as that of the initial energy
B.            Moves with one-fourth of momentum as that of the initial momentum
C.            Will be half in number
D.            Will be one-fourth in number
Answer» E.


Discussion

No Comment Found

Related MCQs