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What is the small index of refractive of...

What is the small index of refractive of the material of a right angled prism with equal sides for which a ray of light entering one of the sides normally will be totally reflected ?

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The correct Answer is:
1.414
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SL ARORA-RAY OPTICS-Problems For Self Practice
  1. If critical angle for a material to air is 30^(@), the refractive inde...

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  2. An optical fibre (mu = 1.72) is surrounded by a glass coating (mu= 1.5...

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  3. What is the small index of refractive of the material of a right angle...

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  4. Find the maximum angle of refraction when a light ray is refracted fro...

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  5. A luminous object O is located at the bottom of a big pool of liquid o...

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  6. One end of a cylindrical rod is grounded to a hemispherical surface of...

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  7. A spherical convex surface separates object and image space of refract...

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  8. A mark placed on the surface of a sphere is viewed through glass from ...

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  9. A glass sphere of radius 15 cm has a small bubble 6 cm from its centre...

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  10. An object is placed 50 cm from the surface of a glass sphere of radius...

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  11. A small object is 2 cm below the concave meniscus of water in a test t...

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  12. A spherical surface of radius 30 cm separates two transparent media A ...

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  13. Fig shows a small air bubble inside a glass sphere (mu = 1.5) of radiu...

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  14. A double convex lens has radii 20 cm. The index of refraction of glass...

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  15. The focal length of a double convex lens is equal to radius of curvatu...

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  16. Fig. 6(b).54. shows a thin lens with centres of curvature C(1) and C(2...

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  17. A plano-convex lens (mu = 1.5) has a curved surface of radiys 15 cm. w...

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  18. The focal length of a concave-convex lens of radii of curvature 5 cm a...

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  19. A convex lens of refractive index 1.5 is immersed in a liquid of refra...

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  20. The two surfaces of a double concave lens are of curvature 10 cm and 4...

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