An energy of 4 10 -19 J is required to remove an electron from the surface

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An energy of 4 × 10^-19 J is required to remove an electron from the surface of a particular metal.

(a) What is the frequency of the light that will just dislodge electrons from the surface?

(b) What is the maximum energy of electrons emitted through the action of light of wavelength 2 × 10^-7 m?

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Related Book For answer-question

The Physical Universe

ISBN: 978-0077862619

16th edition

Authors: Konrad B Krauskopf, Arthur Beiser

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Question Posted: Mar 11, 2020 06:35 AM

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An energy of 4 10 -19 J is required to remove an electron from the surface

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Let be the frequency of light incident on a metal surface of work function W and K be the maximum ki...View the full answer

The Physical Universe

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