Question

Which two components of sunlight are not visible to us ?

Answer 1

HELLO THERE!

There are many ranges of light in the electromagnetic spectrum:

Gamma rays -- X rays -- Ultraviolet rays -- Visible light (VIBGYOR) -- Infrared rays -- Microwave rays -- Radiowaves.

Out of these, our eye responds only to the Visible light (Violet, Indigo, Blue, Green, Yellow, Orange and Red), which helps us to see objects around us.

However, in addition to the visible light, the sun rays also comprise the UV rays (Ultraviolet rays) and IR radiations (Infra red radiations), which we cannot see. These rays are harmful for our skin. (The ozone layer protects us from the UV-B rays of the Sun).

So, your answer is: Infra red radiations and Ultraviolet rays of the Sunlight are not visible to us.

HOPE MY ANSWER IS SATISFACTORY...

THANKS!