Question

A small metal plate of area 2 cm2 is placed at a distance of 2 m from a monochromatic light source of 1 = 1000 Å and power rating of 100 W and light energy conversion efficiency of 10%, emitting light uniformly in all directions. Light falls normally on the plate (work function, p = 10eV). Assuming one out of
${10}^{6}$photons is able to eject a photoelectron, identify correct statements​

Answer 1

Answer:

2 galat hai

Explanation:

1 ,3 or 4 sahi hai