First slide

Electromagnetic spectrum

Question

Monica wanted to take photographs of a monument. But since the surrounding is filled with smoke, she is not able to take good photos. Which one of the following electromagnetic waves can be used in this situation to help Monica?

Easy

A

X-rays
B

Gamma rays
C

Ultraviolet rays
D

Infrared waves

Solution

Infrared waves can be used to take photographs during conditions of smoke, fog, etc. as these waves are scattered less than visible rays and hence travel longer distances through the atmosphere. So, using infrared waves can help Monica out.

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