Railways General Science & Technology Wave Optics / तरंग प्रकाशिकी Sample Paper Wave Optics Sample Test Paper-7

  • question_answer
    The ozone layer absorbs

    A)   Infrared radiations

    B)  ultraviolet radiations

    C)   X-rays

    D)  \[\gamma \,-\,rays\]

    Correct Answer: B

    Solution :

    [b] Ozone layer absorbs most of the UV rays emitted by sun.


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