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The angle of minimum deviation for an incident light ray on an equilateral prism is equal to its refracting angle. The refractive index of its material is

a)

b)

c)

d)


Question ID - 152394 :-

The angle of minimum deviation for an incident light ray on an equilateral prism is equal to its refracting angle. The refractive index of its material is

a)

b)

c)

d)

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

For an equilateral prism, angle of prism of refracting angle

Here,

 Refractive index,



Next Question :

When a white light passes through a hollow prism, then

a)

There is no dispersion and no deviation

b)

Dispersion but no deviation

c)

Deviation but no dispersion

d)

There is dispersion and deviation both


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