Advertisements
Advertisements
प्रश्न
Why was there a sharp in the amount of ozone in the atmosphere in 1980's.
उत्तर
The amount of ozone in the atmosphere began to drop sharply in the 1980s. This decrease has been linked to synthetic chemicals like chlorofluorocarbons (CFCs) which are used as refrigerants and in fire extinguishers which was the primary cause of the ozone layer's decline in the atmosphere.
APPEARS IN
संबंधित प्रश्न
What is the function of ozone in the upper atmosphere?
You have been selected to talk on 'ozone layer and its protection" in the school assembly on 'Environment Day.'
(a) Why should ozone layer be protected to save the environment?
(b) List any two ways that you would stress in your talk to bring in awareness amongst your fellow friends that would also help in protection of ozone layer as well as the environment.
O2 is converted into O3 by the action of :
(a) infrared radiations
(b) ultraviolet radiations
(c) gamma radiations
(d) cosmic radiations
Name the following pollutants:
Any two chemicals leading to the formation of ozone holes.
How is ozone formed in the upper atmosphere? State its importance. What is responsible for its depletion? Write one harmful effect of ozone depletion.
Ozone is abundant in this layer. Ozone heats this layer as it absorbs from incoming ultraviolet radiation from the sun:
Enumerate methods of protecting the ozone layer and preventing its depletion.
State how CFCs break ozone in the stratosphere.
Very short answer type question
Where was the ozone hole discovered?
Depletion of ozone is mainly due to
