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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

Lasers are used to burn and read CDs. Explain why a laser that emits blue light would be capable of burning and reading more information than one that emits infrared.

To determine

To Explain:

Why a laser that emits blue light would be capable of burning and reading more information than one that emits infrared?

Explanation

Given Data:

Given that lasers are used to burn and read CDs

Formula Used:

Wavelength of x-rays photons is given as

λ=hcE

Whereλ= Wavelength of x rays

h= Planck's constant

c= Speed of light

E= Energy of x rays

Calculation:

For the purpose of burning and reading CDs, the lasers of varied wavelengths can be used

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