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#### Where and

#### Where and

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#### A ray of light is incident on an equilateral glass prism placed on a horizontal table For minimum deviation which of the following is true?

#### A ray of light is incident on an equilateral glass prism placed on a horizontal table For minimum deviation which of the following is true?

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#### Two identical thin isosceles prisms of refracting angle ‘A’ and refractive index m are placed with their bases touching each other Two parallel rays of light are incident on this system as shown The distance of the point where the rays converge from the prism is

#### Two identical thin isosceles prisms of refracting angle ‘A’ and refractive index m are placed with their bases touching each other Two parallel rays of light are incident on this system as shown The distance of the point where the rays converge from the prism is

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physics-

#### A ray of light strikes a plane mirror at an angle of incidence 45^{0} as shown in the figure After reflection, the ray passes through a prism of refractive index 1.50, whose apex angle is 4^{0} The angle through which the mirror should be rotated if the total deviation of the ray is to be 90^{0} is

#### A ray of light strikes a plane mirror at an angle of incidence 45^{0} as shown in the figure After reflection, the ray passes through a prism of refractive index 1.50, whose apex angle is 4^{0} The angle through which the mirror should be rotated if the total deviation of the ray is to be 90^{0} is

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physics-

#### A given ray of light suffers minimum deviation in an equilateral prism P Additional prisms Q and R of identical shape and of the same material as P are now added as shown in the figure The ray will now suffer

#### A given ray of light suffers minimum deviation in an equilateral prism P Additional prisms Q and R of identical shape and of the same material as P are now added as shown in the figure The ray will now suffer

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#### In cot

#### In cot

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#### In sin

#### In sin

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physics-

#### An isosceles prism of angle 120^{0} has a refractive index of Two parallel monochromatic rays enter the prism parallel to each other in air as shown the rays emerging from the opposite face

#### An isosceles prism of angle 120^{0} has a refractive index of Two parallel monochromatic rays enter the prism parallel to each other in air as shown the rays emerging from the opposite face

physics-General

physics-

#### A light beam is travelling from Region I to Region IV (refer figure) The refractive index in Region I, II, III and IV are , respectively The angle of incidence q for which the beam just misses entering Region IV is

#### A light beam is travelling from Region I to Region IV (refer figure) The refractive index in Region I, II, III and IV are , respectively The angle of incidence q for which the beam just misses entering Region IV is

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