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Light travels a distance x in time t 1 in air and 10 x in time t 2  in another denser medium. What is the critical angle for this

Option 1 -

s i n - 1 ⁡ 10 t 1 t 2

Option 2 -

s i n - 1 ⁡ t 2 t 1

Option 3 -

s i n - 1 ⁡ 10 t 2 t 1

Option 4 -

s i n - 1 ⁡ t 1 10 t 2

0 3 Views | Posted a month ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    a month ago
    Correct Option - 1


    Detailed Solution:

    N N 0 = 1 16 = 1 2 t T 1 / 2

    t = 4 T 1 / 2 = 20 × 4 = 80   minutes  

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