General Chemistry
General Chemistry
4th Edition
ISBN: 9781891389603
Author: Donald A. McQuarrie, Peter A. Rock, Ethan B. Gallogly
Publisher: University Science Books
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Chapter 4, Problem 4.24P
Interpretation Introduction

Interpretation:

Energy that is delivered has to be calculated if one pulse of laser radiation from argon‑fluoride excimer contains 2.5×1010 photons with wavelength of 193nm.

Concept Introduction:

Electromagnetic radiations are considered to be a beam of photons.  Energy of photons is expressed in terms of wavelength by the equation given below.

    E=hcλ

Where,

    E is the energy.

    h is the Planck’s constant.

    λ is the wavelength.

    c is the speed of light (2.9979×108ms1)

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