Yellow light is refracted through a prism producing minimum deviation. If $i_{1}$ and $i_{2}$ denote the angle of incidence and angle of emergence for prism, then :

i_{1} = i_{2}

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i_{1} > i_{2}

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i_{1} < i_{2}

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i_{1} + i_{2}

= 90°

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Solution

The correct option is A $i_{1} = i_{2}$
In minimum deviation position, ray travels parallel to the base of the prism.
Hence, $i_{1} = i_{2}$

Therefore, option (a) is the correct answer.

Note :- The condition for minimum deviation by a prism is applicable to all wavelengths of light.

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Similar questions

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Refraction through Prism

Standard X Physics

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Yellow light is refracted through a prism producing minimum deviation. If i1 and i2 denote the angle of incidence and angle of emergence for prism, then :

The correct option is A i1=i2In minimum deviation position, ray travels parallel to the base of the prism. Hence, i1=i2 Therefore, option (a) is the correct answer. Note :- The condition for minimum deviation by a prism is applicable to all wavelengths of light.

Yellow light is refracted through a prism producing minimum deviation. If $i_{1}$ and $i_{2}$ denote the angle of incidence and angle of emergence for prism, then :

The correct option is A $i_{1} = i_{2}$
In minimum deviation position, ray travels parallel to the base of the prism.
Hence, $i_{1} = i_{2}$

Therefore, option (a) is the correct answer.

Note :- The condition for minimum deviation by a prism is applicable to all wavelengths of light.