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Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

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BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 7, Problem 30E
Textbook Problem
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Arrange the following three frequencies of light in order of increasing energy per photon:

a . 100 MHz b . 10 MHz c . 100 GHz

Interpretation Introduction

Interpretation:

Three frequencies of the given light are to be arranged in the order of increasing energy per photon.

Concept introduction:

The distance between crests of a wave is called wavelength.

Electromagnetic radiation of a certain wavelength called light.

The relation between the energy of a photon and the wavelength of light is as follows:

Εphoton1λ

Where Εphoton is the energy per photon and λ is the wavelength of light.

The wavelength of the radiation is as follows:

λ=cν

Here, λ is the wavelength of radiation, c is the speed of light, and ν is frequency.

Explanation of Solution

Given information: The frequencies of the given light are 100GHz,100MHzand10MHz respectively.

The relation between the energy of the photon and the wavelength of light is as follows:

Εphoton1λ

Hence, λ is inversely proportional to Εphoton (energy per proton)

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Chapter 7 Solutions

Chemistry In Focus
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