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The optical fibre is 2 metre …

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The optical fibre is 2 metre long and has the diameter of 2 micrometre if a Ray of light is incident on one end of the fibre at an angle theta 1 equal to 40 The no. of reflections it makes before emerging from the other end is close to ?

    • Posted by Ayushman Bhargav 5 years, 4 months ago

    CBSE > Class 12 > Physics
    • 0 answers
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