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  5. Light - Reflection and Refraction

10th Class Science Light - Reflection and Refraction

  • question_answer 25)
    Light enters from air to glass having refractive index 1.5. What is the speed of light in glass? The speed of light in vacuum is 3 x 108 m s-1.

    Answer:

                Here, refractive index, n = 1.5, speed of light in vacuum = c 3 x 108 m s-1  speed of light in glass, From,      


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