Question : Ozone protects biosphere from:
Option 1: X -rays
Option 2: Gamma rays
Option 3: Ultraviolet rays
Option 4: Infrared rays
Correct Answer: Ultraviolet rays
Solution : The correct option is Ultraviolet rays.
Ozone is critical in safeguarding the biosphere from the sun's damaging ultraviolet (UV) radiation. Ozone molecules have a unique ability to absorb and block a considerable fraction of incoming UV light, particularly UV-C and UV-B photons with shorter wavelengths. When these high-energy UV photons collide with ozone molecules in the stratosphere, their energy is transformed to heat.
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