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प्रश्न
What is an ozone layer. State the distribution of the ozone layer in the stratosphere.
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उत्तर
Ozone layer: “Is a layer in the earth’s atmosphere which contains relatively high concentration of ozone [O3].” Ozone layer is distributed 20-30 kms above the earth in stratosphere.
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संबंधित प्रश्न
The prime source of chlorofluorocarbons is ______.
What would happen if the ozone layer in the atmosphere completely disappears?
The excessive exposure of humans to ultraviolet rays results in:
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
The gas A is used by most of the animals to obtain energy from food by the process of respiration. When A is acted upon by radiation X, it gets converted into another gas B which is an allotrope of A but poisonous when inhaled. B forms a kind of layer C in the upper atmosphere which absorbs radiations X coming from a source Y and prevent them from reaching the earth. Some chemicals Z released from the various devices on the earth are destroying the layer C slowly. In fact, a hole has already been formed in layer C over the area D of the earth.
(a) What are gases (i) A, and (ii) B? Write their molecular formulae.
(b) Name the layer C.
(c) What are (i) X, (ii) Y, and (iii) Z?
(d) Name the area D.
(e) Name any two human ailments which may be caused by X.
What is Ozone?
Is ozone depletion related to global warming?
Give reason for the following:
The formation of ozone involves a chemical reaction called photolysis.
Which of the following radiations is responsible for the conversion of atmospheric oxygen to ozone?
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 ______.
What is exactly measured in Dobson units or DU?
