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A prism of refractive index sqrt2 has re...

A prism of refractive index sqrt2 has refractive angle `60^@.` In the order that a ray suffers minimum deviation it should be incident at an angle of

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The correct Answer is:
`45^(@)`
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ALLEN-GEOMETRICAL OPTICS-EXERCISE-04[A]
  1. A balloon is rising up along the axis of a concave mirror of radius of...

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  2. A fly F is sitting an a glass S 45 cm thick & of refractive index 3//...

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  3. An air bubble inside a glass slab (µ=1.5) appears 6 cm when viewed fro...

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  4. A slab of glass, of thickness 6 cm and refractive index mu=1.5 is plac...

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  5. A point object is placed 33cm from a convex mirror of curvature radiu...

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  6. A long solid cylindrical glass rod of refractive index 3/2 is immersed...

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  7. Light from a luminious point on the lower face of a rectangular glass ...

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  8. A rod made of glass, (mu = 1.5) and of square cross-section is bent in...

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  9. A fish is rising up veritcally inside a pond with velocity 4 m//s, and...

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  10. A ray of light falls on a transparent sphere with centre at C as shown...

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  11. A narrow parallel beam of llight is incident on a transparent sphere o...

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  12. A thin equiconvex lens made of glass of refractive index 3//2 and of ...

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  13. In Figure ., L is a converging lens of focal length 10cm and M Iis a c...

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  14. An object is kept at a distance of 16 cm from a thin lens and the imag...

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  15. A point source of light is kept at a distance of 15 cm from a convergi...

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  16. A lens placed between a candle and a fixed screen forms a real tr...

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  17. Consider a 'beam expander' which consists of two converging lenses of ...

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  18. A prism of refractive index sqrt2 has refractive angle 60^@. In the or...

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  19. An equilateral prism deviates a ray through23^(@)for two angles of inc...

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  20. The figure shows the path of a ray passing through an equiangular pris...

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