The variation of refractive index of a crown glass thin prism with wavelength of the incident light is shown. Which of the following graphs is the correct one, if Dm is the angle of minimum deviation?
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(a) |
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(b) |
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(c) |
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(d) |
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Question ID - 50311 | SaraNextGen Answer The variation of refractive index of a crown glass thin prism with wavelength of the incident light is shown. Which of the following graphs is the correct one, if Dm is the angle of minimum deviation?
(a)
(b)
(c)
(d)
The variation of refractive index of a crown glass thin prism with wavelength of the incident light is shown. Which of the following graphs is the correct one, if Dm is the angle of minimum deviation?
|
(a) |
|
(b) |
|
|
(c) |
|
(d) |
|
1 Answer - 5876 Votes
3537
Answer Key : (b) -
Answer LinkSince Dm=(μ−1)A & on increasing the wavelength, μ decreases & hence Dm decreases.
Therefore correct answer is (b)
