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# If the threshold wavelength in the photoelectric effect

ISBN: 9780130606204 3

## Solution for problem 5Q Chapter 27

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition

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Problem 5Q

If the threshold wavelength in the photoelectric effect increases when the emitting metal is changed to a different metal, what can you say about the work functions of the two metals?

Step-by-Step Solution:

Solution 5Q: We have to correlate the work function of two different metal in terms of their threshold wavelength. Step 1 of 2 Concept: Kinetic energy(KE) of an emitted electron when a light of wavelength ()falls on a metal whose threshold wavelength is ( ) is given as, o 1 1 KE = hc ( o) …(a) Work function of the metal is defined as the minimum amount of energy just enough to remove the electron from its atom. Mathematically, hc W = o …(b)

Step 2 of 2

##### ISBN: 9780130606204

The full step-by-step solution to problem: 5Q from chapter: 27 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. This full solution covers the following key subjects: metal, metals, emitting, functions, increases. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. The answer to “If the threshold wavelength in the photoelectric effect increases when the emitting metal is changed to a different metal, what can you say about the work functions of the two metals?” is broken down into a number of easy to follow steps, and 31 words. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. Since the solution to 5Q from 27 chapter was answered, more than 352 students have viewed the full step-by-step answer. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204.

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If the threshold wavelength in the photoelectric effect

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