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(a) Define the following when refraction...

(a) Define the following when refraction takes place through an equilateral glass prism
(i) angle of incidence (ii) prism (iii) refracting angle of prism (iv) angle of emergence (v) angle of deviation
(b) How are angle of incidence, angle of prism, angle of emergence and angle of deviation related to each other?

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Knowledge Check

  • A ray of light passes through an equilateral prism (refractive index 1.5 ) such that angle of incidence is equal to angle of emergence and the latter is equal to 3//4 th of the angle of prism. Calculate the angle of deviation.

    A
    `60^(@)`
    B
    `30^(@)`
    C
    `45^(@)`
    D
    `120^(@)`

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