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JEE Main & Advanced Physics Wave Optics / तरंग प्रकाशिकी Question Bank EM Waves

  • question_answer
    Which of the following shows greenhouse effect [CBSE PMT 2002]

    A)            Ultraviolet rays                   

    B)            Infrared rays

    C)            X-rays                                     

    D)            None of these

    Correct Answer: B

    Solution :

               Infrared radiations reflected by low lying clouds and keeps the earth warm.


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