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The critical angle of a glass slab in ai...

The critical angle of a glass slab in air is `30^(@)`. What will be the critical angle if the slab is placed in a medium of refractive index `sqrt(2)`

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The correct Answer is:
`45^(@)`
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CHHAYA PUBLICATION-REFRACTION OF LIGHT-Problem set - I
  1. A ray of light is incident at an angle of incidents 60^(@) on a transp...

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  2. A rectangular glass slab is placed at the bottom of vessel filled with...

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  3. A ray of light enters a rectangular glass block and is incident on the...

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  4. The thickness of a glass slab (mu = 1.5) is 10 cm. A ray of light is i...

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  5. A man observe a fish at a depth of 6 cm from the surface of water in a...

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  6. A swimmer is 12 m below the water surface. 18 cm above the water surfa...

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  7. An ink dot on a sheet of paper is viewed from above a distance of 50 c...

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  8. Refractive index of glass is 1.5 and that of water is 1.33. will total...

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  9. A transparent liquid of refractive index sqrt3 is poured in a beaker. ...

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  10. The critical angle of a glass slab in air is 30^(@). What will be the...

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  11. The critical angle of a ray of light incident at the surface of separa...

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  12. Two transparent media A and B are adjacent to each other. Velocity of ...

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  13. A light ray is incident on a rarer medium from a denser medium. The ve...

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  14. What is the semi-vertical angle of the cone through which a man, 12 cm...

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  15. The angle of a prism is 60^(@) and minimum angle of deviation is 48^(@...

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  16. A monochromatic ray of light is incident normally on a refracting face...

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  17. What should be the angle of prism of refractive index 1.6 so that a ra...

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  18. A glass prism of refractive index 1.5 is immersed in water of refrac...

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  19. The angle of minimum deviation is 30^(@) for a prism with refractive a...

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  20. For green light the refractive index of prism, of refractive angle 5^(...

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