Home
Class 12
PHYSICS
Work function of ……is the lowest....

Work function of ……is the lowest.

A

caesium

B

platinum

C

nickel

D

copper

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • BOARD'S QUESTION PAPER MARCH-2020

    KUMAR PRAKASHAN|Exercise PART-B SECTION -A|10 Videos
  • BOARD'S QUESTION PAPER MARCH-2020

    KUMAR PRAKASHAN|Exercise PART-B SECTION -B|8 Videos
  • ATOMS

    KUMAR PRAKASHAN|Exercise Section-D -MCQs asked in GUJCET / Board Exam|34 Videos
  • CURRENT ELECTRICITY

    KUMAR PRAKASHAN|Exercise SECTION [D] MULTIPLE CHOICE QUESTIONS (MCQs) (MCQs ASKED IN BOARD EXAM AND GUJCET)|23 Videos

Similar Questions

Explore conceptually related problems

Work function of metal is phi wavelength of incident light is lambda .Which condition should be followed for not emitting the photo-electron?

Work function of Zn is 3.74 eV.If the sphere of Zn is illuminated by the X-rays of wavelength 12Å,the maximum potential produced on the sphere is ………..( h=6.625xx10^(-34)Js)

When the energy of the incident radiation is increased by 20% ,the kinetic a metal surface increased from 0.5 eV to 0.8 eV.The work function of the metal is …..

Work function of sodium and copper is 2.3 eV and 4.5 eV respectively.Ratio of their threshold wavelength will be…..

Work function of material is 4.0 eV. Maximum wavelength by which photoelectric emission can be obtained is ……….

Work function of metal in photoelectric effect is 3.5 eV for -1.2 V potential photoelectric current become zero,Hence…….

The surface of cesium is illuminated with monochromatic light of various wavelengths and the stopping potential for the wavelength are measured. The results of this experiment is plotted as shown in the figure Estimate the value of work function of the cesium and Planck's constant.

Work function of aluminium plate is phi when radiation of hf energy is incident on metal surface photoelectron of kinetic energy K is emitted .Now if frequency of radiation is made double,kinetic energy of photoelectron will become…..

Electrons are emitted with zero velocity from a metal surface when it is exposed to radiation of wavelength 6800A . Calculate threshold frequency (V_(0)) and work function (W_(0)) of the metal.