Question

Which of the following shows the greenhouse effect?

• A. Ultraviolet rays
• B. Infrared rays
• C. X – rays
• D. None of these

Answer 1

The correct option is B

Infrared rays

Explanation for the correct option:

Option (b):

• The gases such as carbon dioxide $\left({\mathrm{CO}}_2\right)$, methane $\left({\mathrm{CH}}_4\right)$, Chlorofluorocarbons $\left(\mathrm{CFC}\right)$, and ozone $\left({\mathrm{O}}_3\right)$ are greenhouse gases that are present in the atmosphere.
• These gases absorb the heat and restrict heat to escape our atmosphere is called the greenhouse effect.
• The Infrared radiations keep the earth warm which is reflected by the clouds.
• The Infrared rays are trapped by the gases of the greenhouse effect.
• Among the given options, only Infrared rays show the greenhouse effect.

Explanation for the incorrect option:

• Option (A): Ultraviolet rays do not show the greenhouse effect.
• Option (C): X-rays do not show the greenhouse effect.
• Option (D): This option is not applicable since infrared rays show the greenhouse effect.

Final answer:

Hence, option (b) is the correct answer. Infrared rays show the greenhouse effect.