Chapter 11, Problem 9STP

To determine

To choose: the correct option.

Answer to Problem 9STP

The correct option is (D).

Explanation of Solution

Introduction:

The table below shows the region of electromagnetic spectrum of different waves,

Region of electromagnetic spectrum
Infrared waves	Radio waves	Gamma rays
X-rays	Visible light	Ultraviolet waves

The electromagnetic spectrum is divided into seven regions. They are radio waves, microwaves, infrared waves, visible light, ultraviolet waves, X-rays and gamma rays. In the table above only six waves are given and microwave is missing. The region of spectrum not listed in the table is thus microwaves.

Conclusion:

Hence, the correct answer is (D) microwaves.