(C) For a thin prism,the angle of deviation $\delta$ is given by $\delta = (n - 1)A$,where $n$ is the refractive index and $A$ is the prism angle.Init

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(C) For a thin prism,the angle of deviation $\delta$ is given by $\delta = (n - 1)A$,where $n$ is the refractive index and $A$ is the prism angle.Initially,the deviation is $\delta = 34^o = (n - 1)A$.When the shaded half is removed,the effective prism angle becomes $A' = A/2$.The new deviation $\delta'$ will be $\delta' = (n - 1)A' = (n - 1)(A/2)$.Substituting the initial value: $\delta' = \frac{1}{2} \times (n - 1)A = \frac{1}{2} \times 34^o = 17^o$.Thus,the ray will suffer a deviation of $17^o$.

Class 12 Physics Ray Optics and Optical Instruments Refraction Through Prism

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$A$ light ray is incident upon a prism in minimum deviation position and suffers a deviation of $34^o$. If the shaded half of the prism is removed,the ray will

A
Suffer a deviation of $34^o$
B
Suffer a deviation of $68^o$
C
Suffer a deviation of $17^o$
D
Not come out of the prism

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Refraction Through Prism

$A$ certain prism is found to produce a minimum deviation of $38^\circ$. It produces a deviation of $44^\circ$ when the angle of incidence is either $42^\circ$ or $62^\circ$. What is the angle of incidence when it is undergoing minimum deviation (in $^\circ$)?

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$A$ light ray is incident normally on one surface of an equilateral prism. The angle of deviation of the light ray is (refractive index of the material of the prism $=\sqrt{2}$) (in $^{\circ}$)

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When a glass prism of refracting angle $60^{\circ}$ is immersed in a liquid, its angle of minimum deviation is $30^{\circ}$. The critical angle of glass with respect to the liquid medium is (in $^{\circ}$)

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The refraction through the prisms is as shown. Pick out the wrong statement from the following. Path of the light ray in

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$A$ light ray is incident upon a prism in minimum deviation position and suffers a deviation of $34^o$. If the shaded half of the prism is removed,the ray will

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$A$ certain prism is found to produce a minimum deviation of $38^\circ$. It produces a deviation of $44^\circ$ when the angle of incidence is either $42^\circ$ or $62^\circ$. What is the angle of incidence when it is undergoing minimum deviation (in $^\circ$)?

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