Question

What does 'Ozone layer' absorb?

(a) Infrared rays 

(b) Ultraviolet rays 

(c) X-rays 

(d) γ-rays

Answer 1

(b) Ultraviolet rays

The ozone layer is the common term for the high concentration of ozone that is found in the stratosphere around 15–30km above the earth's surface. It covers the entire planet and protects life on earth by absorbing harmful ultraviolet-B (UV-B) radiation from the sun.

Answer 2

(b) Ultraviolet rays

The ozone layer primarily absorbs and filters out ultraviolet (UV) rays from the sun. The ozone molecules in the stratosphere act as a protective layer, absorbing the majority of UV-B and UV-C radiation. This shielding effect is crucial in preventing excessive UV radiation from reaching the Earth's surface, as excessive exposure to UV rays can be harmful to living organisms.