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CBSE Class 9 Answered

Please answer the foll:question
Asked by ashwati | 18 Feb, 2009, 09:58: PM
Expert Answer

The angle of minimum deviation is defined as :

 

Where nprism is the index of refraction of the prism Since n varies with wavelength (i.e., n = n(λ)), the

angle of minimum deviation also varies, but it is constant for any particular wavelength. As the n is maximum for violet light as per cauchy's formula ,the angle is most for violet light.

Answered by | 19 Feb, 2009, 01:44: AM
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