Question

Which of the following action takes place in the formation of ozone?

(a) Action of daylight on oxygen

(b) Action of daylight on nitrogen

(c) Action of daylight on hydrogen

(d) Action of daylight on phosphorous

This question was addressed to me in an interview for internship.

My question is based upon Ozone Layer Depletion topic in portion Social Issues and the Environment of Energy Management

Answer 1

Correct option is (a) Action of daylight on oxygen

To explain: Ozone is made by the action of daylight on oxygen. It forms a layer 20 to 50 km over the surface of the earth. This action of formation of ozone over the surface of the earth takes place naturally within the atmosphere.