Question

Ozone layer blocks the radiation of wavelength:

• A. more than $ 3\times 10m $
• B. less than $ 3\times {{10}^{-7}}m $
• C. equal to $ 3\times {{10}^{-7}}m $
• D. none of these

Answer 1

Answer: (B)

Ozone layer blocks the radiation of wavelength shorter than $3 \times 10^{-7} m$ or $300 \,nm$.