Q. The formula for the refractive index in a prism is

प्रिज्म में अपवर्तनांक का सूत्र है

sin(i)/sin(r)

c/v
सीवी

sin((A + D)/2) / sin(A/2)

1 + sin(i)/sin(r)

The refractive index $n$ of the prism is related to the angle of the prism $A$ and the angle of minimum deviation $D$ as:

n = \frac{\sin\left(\frac{A + D}{2}\right)}{\sin\left(\frac{A}{2}\right)}

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