Work function of tha metal is ? What is the work function of the metal, if thelight of wavelength 4000 Å generatesphotoelectron of velocity 6 x 105 ms1 from it?(Mass of electron = 9 x 1031kg.Velocity of light = 3 x 108 ms-1Planck's constant = 6.626 x 1034Js.Charge of electron = 1.6 × 10-19 JeV1)%3D

Givenλ=4000 Ao=4000×10-10 mve=6×105 m/sme=9×10-31 Kgc=3×108 m/sh=6.626×10-34 Jsqe=1.6×10-19 JeV-1

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What is the work function of the metal light of wavelength 4000 Å generates

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter5: Matter Waves

Section: Chapter Questions

Problem 20P

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Work function of tha metal is ?

What is the work function of the metal, if the
light of wavelength 4000 Å generates
photoelectron of velocity 6 x 105 ms1 from it?
(Mass of electron = 9 x 1031
kg.
Velocity of light = 3 x 108 ms-1
Planck's constant = 6.626 x 1034
Js.
Charge of electron = 1.6 × 10-19 JeV1)
%3D

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