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Obtain the minimum value of refractive index of a prism of angle A so that an incident ray cannot emerge out of it, whatever be the angle of incidence?

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ABC is right angled prism kept in air. A ray (1) is incident on the face AB along the normal. Another ray (2) is incident on the face AB such that it emerges normally form the face AC. Then The minimum value of refractive index of the material of the prism for which the ray 1undergoes TIR on the face AC is

AAKASH SERIES-RAY OPTICS-EXERCISE (SHORT ANSWER QUESTIONS )
  1. State optical path and optical path difference.

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  2. State the laws of refraction of light. State at least three examples o...

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  3. Find the apparent shift due to refraction at a plane surface when the ...

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  4. What is lateral shift and normal shift

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  5. Explain the mirage.

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  6. Explain how a fish deep inside a pond full of water can see everything...

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  7. What is magnification ? Obtain lateral magnification due to refraction...

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  8. The equation of refraction at a spherical surface is ( mu2 )/(v ) ...

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  9. Define first and second principal focus in lens.

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  10. Show that the distance between a real object and its real image formed...

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  11. If the plane surface of a plano-convex lens of radius of curvature R a...

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  12. Consider a ray of light passing through a prism (angle A) in the posit...

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  13. Show that deviation produced by a thin prism of prism angle A and refr...

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  14. Obtain the minimum value of refractive index of a prism of angle A so ...

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  15. The sides of an isosceles right prism are coated with a reflecting coa...

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  16. Find the angle of minimum deviation for an equilateral prism made of a...

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  17. Show that the limiting value of the angle of prism is twice its critic...

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  18. What are pure and impure spectra? State the conditions to produce a pu...

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  19. What are Fraunhoffer lines? Explain their origin.

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  20. State the significance of emission and absorption spectra.

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