Chapter 7, Problem 111A

(a)

Interpretation Introduction

Interpretation: The wavelength of 500 nm in meters is to be converted.

Concept Introduction : Electromagnetic radiation is the flow of energy with the speed of light through free space or another medium in the form of magnetic and electric fields.

Answer to Problem 111A

The wavelength in meters is $\text{5}\times {\text{10}}^{-7}\text{m}$ .

Explanation of Solution

The wavelength is given as 500 nm. It is converted into meters:

  $\text{500}\text{nm}\times \frac{{\text{10}}^{-\text{9}}\text{m}}{\text{1}\text{nm}}=\text{5}\times {\text{10}}^{-7}\text{m}$

Thus, the wavelength in meters is $\text{5}\times {\text{10}}^{-7}\text{m}$ .

(b)

Interpretation Introduction

Interpretation: The spectrum in which 500 nm beam of electromagnetic radiation lies is to be determined.

Concept Introduction : Electromagnetic radiation is the flow of energy with the speed of light through free space or another medium in the form of magnetic and electric fields.

Answer to Problem 111A

The spectrum in which 500 nm beam of electromagnetic radiation lies in the visible spectrum.

Explanation of Solution

Visible spectrum starts from 400 nm to 700 nm. The spectrum in which 500 nm beam of electromagnetic radiation lies in the visible spectrum.