A ray of light is incident normally on one of the faces of a prism of apex angle 30° and refractive index 2√. The angle of deviation of the ray is
Question
A ray of light is incident normally on one of the faces of a prism of apex angle 30° and refractive index 2√. The angle of deviation of the ray is
Solution
The angle of deviation of a ray of light passing through a prism can be calculated using the formula:
δ = (n-1)A
where: δ is the angle of deviation, n is the refractive index of the prism, and A is the apex angle of the prism.
Given that the refractive index n = 2√2 and the apex angle A = 30°, we can substitute these values into the formula:
δ = (2√2 - 1) * 30°
Solving this will give us the angle of deviation.
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