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ACB is right-angled prism with other ang...

ACB is right-angled prism with other angles as `60^(@)` and `30^(@)` . Refractive index of the prism is 1.5. AB has thin layer of liquid on it as shown. Light falls normally on the face Ac. For total internal reflection, maximum refractive index of the liquid is

A

1.5

B

1.4

C

1.3

D

0.12

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-GEOMETRICAL OPTICS-LECTURE SHEET (EXERCISE-II (LEVEL-II (ADVANCED) STRAIGHT OBJECTIVE TYPE QUESTIONS))
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  2. A prism of glass (mu=1.5) is dipped in to water as shown in the figure...

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  3. ACB is right-angled prism with other angles as 60^(@) and 30^(@) . Re...

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  5. Two prisms A and B have dispersive powers of 0.012 and 0.018 respectiv...

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  6. A convergent beam is incident on two slabs placed in contact as shown ...

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  7. A parallel sided block of glass of refractive index 1.5 which is 36 mm...

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  8. An insect starts moving up in a liquid from point O of variable refrac...

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  9. A point source S is placed at the bottom of different layers as shown ...

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  10. A person looking through a telescope focuses lens at a point on the ed...

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  11. x-y plane separates two media, zge0 contains a medium of refractive i...

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  12. A ray of light travelling in air is inciden at angle of inciden 30^@ ...

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  13. The graph between sine of angle of refraction (sin r) in medium 2 and ...

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  14. A cubic container is filled with a liquid whose refractive index incre...

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  15. Four similar prisms of angle of prism are arranged. Which of the follo...

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  16. A light ray is incident upon a prism in minimum deviation position and...

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  17. A ray of light strikes a plane mirror at an angle of incidence 45^@ as...

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  18. The xz plane separates two media A and B with refractive indices mu(1)...

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  19. A microscope is focussed on a point object, and then its objective is ...

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  20. It is found that electromagnetic signals sent inside glass sphere from...

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