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12th Class Physics Wave Optics / तरंग प्रकाशिकी

  • question_answer 1)
    Monochromatic light of wavelength 589 nmis incident from air on a water surface. Whatare the wavelength, frequency and speed ofreflected, and (b) refracted light ? Refractive index of water is 1'33.  

    Answer:

    (a) For reflected light wavelength isunchanged i.e. Frequency (b) For refracted light, while moving fromone medium to the other, frequencyremains unchanged. frequency of refractive light is Also,   and  


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