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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 31E
Textbook Problem
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Which of the following types of light would be most likely to damage biological molecules? Why?

a. infrared light

b. visible light

c. ultraviolet light

Interpretation Introduction

Interpretation:

The type of light that damages the biological molecules is to be identified and the reason behind this is to be defined.

Concept Introduction:

The distance between two consecutive crests of a wave is called wavelength.

The group of ions or atoms that are present in a living organism is called a biological molecule.

A small packet of energy associated with light (electromagnetic radiation) is called photon.

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

Εphoton1λ

Here, Εphoton is the photon energy and λ is the wavelength of light.

Explanation of Solution

Reason for theCorrect options:

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

Εphoton1λ

This means, Ephoton of light is inversely proportional to the wavelength of the light.

As the wavelength of ultraviolet light is shorter than the wavelength of visible and infrared light, the ultraviolet light has a high photon energy than the infrared light and visible light

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Chapter 7 Solutions

Chemistry In Focus
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