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Question

UV radiations absorbed by ozone layer are

A
UV-C
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B
Complete UV-C and a large amount of UV-B
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C
Complete UV-C and complete UV-B
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D
All types
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Solution

The correct option is D Complete UV-C and a large amount of UV-B
Most of the sun's UV-B radiation is absorbed by ozone in the stratosphere. UV-C radiation is absorbed by oxygen and ozone in the stratosphere and never reaches the Earth's surface. This is good because the C type rays are the most damaging of all. So the correct answer is 'Complete UV-C and a large amount of UV-B '

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