A small angled prism `(mu = 1.62)` gives a deviation of `4.8`. Calculate the angle of prism.

Answer

`7.74^(@)`

Explanation

Here, `mu = 1.62, delta = 4.8^(@) A = ?`
As `delta = (mu - 1)A`
`:. A = (delta)/(mu - 1) = (4.8)/(1.62 - 1) = (4.8)/(0.62) = 7.74^(@)`