Home
Class 12
PHYSICS
The photoelectric threshold frequency of...

The photoelectric threshold frequency of a metal is v. When light of frequency 4v is incident on the metal . The maximum kinetic energy of the emitted photoelectrons is

A

4 hv

B

3 hv

C

5 hv

D

`5/2 hv`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

The photoeletric threshold 4v is incident on the metal is v. When light of freqency 4v is incident on the metal, the maximum kinetic energy of the emitted photoelectron is

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

A light of wavelength 600 nm is incident on a metal surface. When light of wavelength 400 nm is incident, the maximum kinetic energy of the emitted photoelectrons is doubled. The work function of the metals is

Threshold frequency of a metal is 5xx10^(13)s^(-1) upon which 1xx10^(14)s^(-1) frequency light is focused. Then the maximum kinetic energy of emitted electron is

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 threshold frequency for a certain metal is v_(0) . When a certain radiation of frequency 2v_(0) is incident on this metal surface the maximum velocity of the photoelectrons emitted is 2 xx 10^(6)ms^(-1) . If a radiation of frequency 3v_(0) , is incident on the same metal surface the maximum velocity of the photoelectrons emitted (in m.s^(-1) ) is

For photoelectric emission from certain metal the cut - off frequency is v . If radiation of frequency 2 v incident on the metal plate , the maximum possible velocity of the emitted electron will be ( m is the electron mass).

When an electro-magnetic radiation is incident on the surface of metal, maximum kinetic energy of photoelectron depends on-

If the frequency of light in a photoelectric experiment is double then maximum kinetic energy of photoelectron

The threshold frequency for a certain metal is 3.3xx10^(14) Hz. If light of frequency 8.2xx10^(14) Hz is incident on the metal, predict the cut-off voltage for the photoelectric emission.