Home
Class 12
PHYSICS
The work function of caesium is 2.14 eV...

The work function of caesium is 2.14 eV . Find (a) the threshold frequency for caesium , and ( b) the wavelength of the incident light if the photocurrent is brought to zero by a stopping potential of 0.60 V.

Text Solution

Verified by Experts

The correct Answer is:
(a) `5.16xx10^(14)Hz`
(b) (b) `454 xx10^(-9)m`
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    MODERN PUBLICATION|Exercise PRACTICE PROBLEMS - 3|6 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    MODERN PUBLICATION|Exercise Conceptual Questions|13 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    MODERN PUBLICATION|Exercise PRACTICE PROBLEMS - 1|4 Videos

  • CURRENT ELECTRICITY

    MODERN PUBLICATION|Exercise Chapter Practice Test|15 Videos

  • ELECTRIC CHARGES AND FIELDS

    MODERN PUBLICATION|Exercise Chapter Practice Test|15 Videos

Similar Questions

Explore conceptually related problems

The work function of caesium is 2.14 eV. Find (a) the threshold frequency for caesium, and (b) the wavelength of the incident light if the photo current is brought to zero by a stopping potential 0.60 V. Given h=6.63xx10^(-34)Js .

The work fuction of caseium is 2.14 eV. Find (a) the threshold frequency for caesium and (b) the wavelength of the incident light if the photocurrent is brought to zero by a stopping potential of 0.60V. Given h=6.63xx10^(-34)Js.

The work function of Cs is 2.14eV.Find (a) threshold frequency for Cs (b) Wavelength of incident light if the photo current is brought to zero by stopping potential of 0.6 V.

The work function of cesium is 2.14 eV. The threshold freqency of caesium is

[" 3.The work function of metal is "2.4eV" ."],[" Find the (i) threshold frequency for "],[" metal "],[" (ii) wavelength of incident light if a "],[" stopping potential is "0.5V" ."]

The work function of a photo electric material is 5.0eV .Threshold frequency will be

The work function for a metal is 4eV. To emit a photoelectron of zero velocity from the surface of the metal, the wavelength of incident light should be :

The work function of a photoelectric material is 4.0 e V. (a) What is the threshold wavelength? (b) find the wavelength of light for which the stopping potential is 2.5 V.