COLLEGE PHYSICS,V.2
COLLEGE PHYSICS,V.2
11th Edition
ISBN: 9781305965522
Author: SERWAY
Publisher: CENGAGE L
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Chapter 27, Problem 9P

(a)

To determine

The work function of potassium.

(b)

To determine

The cutoff wavelength.

(c)

To determine

The frequency corresponding to the cutoff wavelength.

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Students have asked these similar questions
When light of wavelength 3.50 x 102 nm falls on a potassium surface, electrons having a maximum kinetic energy of 1.31 eV are emitted. Find (a) the work function of potassium, (b) the cutoff wavelength, and (c) the frequency corresponding to the cutoff wavelength.
When light of wavelength 190 nm falls on a tungsten surface, electrons having a maximum kinetic energy of 2.03 eV are emitted. Find values for the following.(a) the work function of tungsten eV (b) the cutoff wavelength nm (c) the frequency corresponding to the cutoff wavelength Hz
When light of wavelength 120 nm falls on a carbon surface, electrons having a maximum kinetic energy of 5.35 eV are emitted. Find values for the following. (a) the work function of carbon eV (b) the cutoff wavelength nm (c) the frequency corresponding to the cutoff wavelength Hz
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