Question

A light of wavelength '`lambda`' and intensity 'I' falls on photosensitive material. If 'N' photoelectrons are emitted, each with kinetic energy E, then ____________.

विकल्प

• `"E" prop "I", "N" prop 1/lambda`

• `"E" prop 1/lambda, "N" prop "I"`

• `"E" prop "I", "N" prop "I"`

• `"E" prop "I", "N" prop lambda`

Answer 1

A light of wavelength '`lambda`' and intensity 'I' falls on photosensitive material. If 'N' photoelectrons are emitted, each with kinetic energy E, then `"E" prop 1/lambda, "N" prop "I"`.

Explanation:

`"E" prop "v"`

`therefore "E" prop 1/lambda  "and N" prop "I"`