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

  • question_answer
    Pick out the longest wavelength from the following types of radiations                                  [CBSE PMT 1990]

    A)            Blue light                               

    B)            g-rays

    C)            X-rays                                     

    D)            Red light

    Correct Answer: D

    Solution :

                \[{{\lambda }_{\operatorname{Re}d}}>{{\lambda }_{Blue}}>{{\lambda }_{X-ray}}>{{\lambda }_{\gamma }}\]


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