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College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000

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Section
BuyFindarrow_forward

College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000
Textbook Problem

(a) What energy photons can pump chromium atoms in a ruby laser from the ground state to its second and third excited states? (b) What are the wavelengths of these photons? Verify that they are in the visible part of the spectrum.

To determine

(a)

The energy photons that can pump chromium atoms in a ruby laser from the ground state to its second state and third excited states.

Explanation

Given Data:

Given energy-level diagram for chromium in a ruby.

  

Formula Used:

Energy released during transition between metastable state and ground state is given as

  ΔE=EmEg

Where ΔE= Energy released during the transition between two states

  Em= Energy of metastable state

&em

To determine

(b)

The wavelength of the photons required to pump chromium atoms from ground to second and third state.

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