1.

Ozone layer blocks the radiation of wavelength (a) less than 3 x 10 -7 m (b) equal to 3 x 10-7 m (c) more than 3 x 10-7 m (d) none of these

Answer»

(a) less than 3 x 10-7 m

Ozone layer blocks ultraviolet radiation from the sun for this radiation λ < 3 x 10-7 m.



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