Home
Class 12
PHYSICS
If the work function of a metal is 'phi'...

If the work function of a metal is `'phi'` and the frequency of the incident light is `'v'`, there is no emission of photoelectron if

A

`v lt (phi)/(h)`

B

`v = (phi)/(h)`

C

`v gt (phi)/(h)`

D

`v gt = lt (phi)/(h) `

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    AAKASH INSTITUTE|Exercise Try Yourself|15 Videos
  • ALTERNATING CURRENT

    AAKASH INSTITUTE|Exercise Assignment (Section - A) ( Objective Type Questions ( One option is correct))|34 Videos
  • ATOMS

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION J (Aakash Challengers )|4 Videos

Similar Questions

Explore conceptually related problems

The work function of a metal is 4 eV. What should be the wavelength of the incident radiation for the emission of photoelectrons of zero velocity ?

What is the work function of a metal if light of minimum frequency 8xx10^(13) Hz is required for emission of photo electrons?

The work function of a metal is 3.4 eV. If the frequency of incident radiation is increased to twice, then the work function of the metal becomes.

An increase in the frequency of the incident light.............the velocity with which photoelectron is ejected.

The work function of a substance is "3.0eV" .The longest wavelength of light that can cause the emission of photoelectrons from this substance is approximately:

The threshold frequency for certain metal is v_0 . When light of frequency 2v_0 is incident on it, the maximum velocity of photoelectrons is 4xx10^(6) ms^(-1) . If the frequency of incident radiation is increaed to 5v_0 , then the maximum velocity of photoelectrons will be

Threshold frequency for a certain metal is v_0 . When light of frequency 2v_0 is incident on it, the maximum velocity of photoelectrons is 4xx10^8 cm s^-1 . If frequency of incident radiation is increased to 5v_0 , then the maximum velocity of photoelectrons, in cm s^-1 , will be

The photoelectric threshold frequency of a metal is v_0. When ligth of frequency 3v_0 is incident on the metal, the maximum kinetic energy of emitted photoelectrons will be