Ozone layer blocks the radiation of wavelength

  • [AIPMT 1999]
  • A

    Less than $3 \times 10^{-7} \,m$

  • B

    Equal $3 \times 10^{-7} \,m$

  • C

    More than $3 \times 10^{-7} \,m$

  • D

    all of the above

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