Question
Physics Question on Electromagnetic Spectrum
Which radiation in sunlight, causes heating effect?
A
visible light
B
ultraviolet
C
infrared
D
all of these
Answer
infrared
Explanation
Solution
As the wavelength of infrared radiation extends from 8000×10−10m to 400000×10−10m. These radiations have longer wavelength and these can penetrate deeply into materials, causing heating effect.