# What do we mean by the frequency of electromagnetic radiation? Is the frequency the same as the speed of the electromagnetic radiation?

### Chemistry

9th Edition
Steven S. Zumdahl
Publisher: Cengage Learning
ISBN: 9781133611097

Chapter
Section

### Chemistry

9th Edition
Steven S. Zumdahl
Publisher: Cengage Learning
ISBN: 9781133611097
Chapter 7, Problem 20Q
Textbook Problem
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## What do we mean by the frequency of electromagnetic radiation? Is the frequency the same as the speed of the electromagnetic radiation?

Interpretation Introduction

Interpretation:

The meaning of the frequency of electromagnetic radiation is to be stated. The relationship between the frequency and the speed is to be explained.

Concept introduction:

Electromagnetic radiation is an energy form which behaves as a wave.

The frequency is one of the most important characteristic of the wave.

A wave is the representation of energy oscillations means a wave represents the transfer of energy.

Frequency of the wave is defined as the number of oscillations of the wave per unit time.

Other than frequency, speed is also one of the important characteristic of the wave.

The speed of electromagnetic radiation is the distance covered by the electromagnetic radiation per unit time.

To determine: The meaning of the frequency of the electromagnetic radiation; if the frequency is the same as the speed of electromagnetic radiation.

### Explanation of Solution

Explanation

• Frequency is defined as the number of oscillations per unit time. Electromagnetic radiation is an energy form that is present all around us in the form such of radio waves, microwaves, γ -rays, X -rays, visible light and ultraviolet light. The frequency of the electromagnetic radiation is the number of oscillations per second at a particular point. The frequency tells the intensity of the wave. High intensity tells the high frequency of the wave. The frequency is represented by the symbol υ

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