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 $300nm$.