Home
Class 12
PHYSICS
Threshold wavelength for photoelectric e...

Threshold wavelength for photoelectric effect on sodium is `5000 Å` . Its work function is

A

`15 J`

B

`16 xx 10^(-14) J`

C

`4 xx 10^(-19) J`

D

`4 xx 10^(-81) J`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTRON, PHOTON, PHOTOELECTRIC EFFECT AND X-RAYS

    ERRORLESS |Exercise Cathode Rays and Positive Rays|11 Videos
  • ELECTRON, PHOTON, PHOTOELECTRIC EFFECT AND X-RAYS

    ERRORLESS |Exercise Photon and Photoelectric Effect|4 Videos
  • ELECTRO MAGNETIC INDUCTION

    ERRORLESS |Exercise SET|20 Videos
  • ELECTRONICS

    ERRORLESS |Exercise Selv Evaluation Test|23 Videos

Similar Questions

Explore conceptually related problems

The threshold wavelength for photoelectric effect of a metal is 6500 Å. The work function of the metal is approximately

The work function for photoelectric effect

Light of wavelength 4000 Å is incident on a sodium surface for which the threshold wavelength of photoelectrons is 5420 Å. The work function of sodium is

The threshold wavelength for photoelectric from a material is 5200 Å photoelectric will be emittillumnated with when this meterial is illiuminated with monecharnatic radiation from a

Threshold frequency for photoelectric effect from a metal surface of work function 4.5 eV is

The threshold wavelength for photoelectric emission in tungsten is 2300 Å. What wavelength of light must be used to eject electrons with a maximum energy of 1.5 eV?