Ozone Formation and Depletion

Explain the formation of depletion layer and potential barrier in p-n junction. Draw the circuit diagram of a half wave rectifier and explain its working.

Which is responsible mainly for depletion of ozone layer ?

Give reason The rate of Ozone depletion is greater in Antarctica.

Complete the statements by selecting the correct word from the word in brackets. The chemical not responsible for ozone depletion is _________[methyl chloride /ammonia/ chloroflourocarbons]

The culprit for the ozone layer depletion is

Ozone layer is getting depleted because of

Why should we be worried about ozone depletion?

What are the reactions involved for ozone layer depletion in the stratosphere?

Name the substance responsible for the depletion of ozone layer.

Write a short note on depletion of ozone layer by CFC's.