Physics 2002 JAMB Past Questions - Question 33: The electromagnetic wave that can produce a heating effect on the environment is

Correct Answer

B

Explanation

The electromagnetic wave that can produce a heating effect on the environment is primarily in the form of **infrared radiation**. Infrared radiation is a type of electromagnetic radiation with longer wavelengths than visible light. It is often associated with heat because it can transfer energy to objects it interacts with, causing them to heat up. This is why you feel warm when you stand near a heat lamp or a fire, as they emit infrared radiation.

In terms of environmental considerations, the Earth's surface absorbs sunlight, and then re-emits some of that energy as infrared radiation during the night. Greenhouse gases, such as carbon dioxide (CO2) and water vapor (H2O), in the Earth's atmosphere can trap some of this outgoing infrared radiation. This trapped heat contributes to the greenhouse effect, which leads to a warming of the Earth's surface, commonly referred to as global warming or climate change.

So, while many electromagnetic waves can produce a heating effect on the environment, it's primarily the interaction of infrared radiation with greenhouse gases in the atmosphere that leads to significant warming of the planet.