Home
Class 12
PHYSICS
The threshold frequency for a certain me...

The threshold frequency for a certain metal is `v_(0)` when light of frequency v = `2v_(0)` is incident on it . The maximum velocity of photoelectrons is `4 xx 10^(6)` m/s . If the frequency of incident radiation is increase to 5`v_(0)` , the maximum velocity of photo electrons in m/s will be .

A

`4 xx 10^(2) m//s`

B

`4 xx 10^(6) m//s`

C

`8 xx 10^(6) m//s`

D

`8 xx 10^(2) m//s`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EVALUTATE YOURSELF - 3|5 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EVALUTATE YOURSELF - 4|5 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EVALUTATE YOURSELF - 1|2 Videos
  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 6|43 Videos
  • DUAL NATURE

    NARAYNA|Exercise LEVEL-II (H.W)|17 Videos

Similar Questions

Explore conceptually related problems

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 threshold frequency of a metal is f_0 . When the light of frequency 2f_0 is incident on the metal plate, the maximum velocity of electrons emitted is v_1 . When the frequency of the incident radiation is increased to 5f_0 , the maximum velocity of electrons emitted is v_2 . Find the ratio of v_1 andv_2 .

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

When the light of frequency 2 v_(0) (where v_(0) is threshold frequency), is incident on a metal plate, the maximum velocity of electrons emitted is v_(1) . When the frequency of the incident radiation is increased to 5 v_(0) , the maximum velocity of electrons emitted from the same plate is v_(2) . the ratio of v_(1) to v_(2) is

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