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प्रश्न
The depletion of the ozone layer is due to ______.
विकल्प
CO2
CO
CH4
CFCs
उत्तर
The depletion of the ozone layer is due to CFCs.
APPEARS IN
संबंधित प्रश्न
Explain how, harmful ultraviolet radiations of sunlight are prevented from reaching the earth's surface.
Write the harmful effects of ozone depletion.
The depletion of ozone layer in the upper atmosphere is mainly due to the emission of :
(a) unburnt hydrocarbons
(b) chlorofluorocarbons
(c) greenhouse gases
(d) ultraviolet radiations
O2 is converted into O3 by the action of :
(a) infrared radiations
(b) ultraviolet radiations
(c) gamma radiations
(d) cosmic radiations
The following picture depicts a certain phenomenon
- Name the phenomenon and explain it.
- Enlist the sources that are responsible for the above mentioned phenomenon.
- List out the effects of the above phenomenon on humans.
Discuss in detail the process of ozone depletion.
Give balanced equation for the following conversion [one or two steps].
Oxygen to ozone gas by photolysis.
Long answer type question
Montreal protocol is an essential step. Why is it so?
Which spectrum of the light harmful to organism: ____________.
In 1987, an agreement was formulated by the United Nations Environment Programme (UNEP) to freeze the production of “X” to prevent the depletion of “Y”. “X” and “Y” respectively referred to here are ______.
