In which layer of the atmosphere does ozone act as a UV radiation shield?

mediumMCQWBCS Prelims2026Physics

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In which layer of the atmosphere does ozone act as a UV radiation shield?

Solution & Step-by-step Explanation

The ozone layer is primarily concentrated in the lower portion of the stratosphere (about 15 to 35 km above Earth). It absorbs 97% to 99% of the Sun's medium-frequency ultraviolet (UV) light, protecting life on Earth.

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In which layer of the atmosphere does ozone act as a UV radiation shield?

A

Troposphere

B

Thermosphere

C

Stratosphere

D

Mesosphere

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