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A glass slab of thickness 4 cm contains ...

A glass slab of thickness 4 cm contains the same number of waves as 5 cm of water,when both are traversed by the same monochromatic light.If the refractive index of water is `4//3`,what is the refractive index of glass?

A

`5//3`

B

`5//4`

C

`16//15`

D

1.5

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
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  2. If the light prpagating along a straight ine bends by a small but fixe...

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  3. A glass slab of thickness 4 cm contains the same number of waves as 5 ...

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  4. The lateral shift produced in a parallel sided glass slab depends on

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  6. A person swimming at the bottom of a swimming pool lookds up to the di...

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  7. Total interval reflection takes place, when light travels from

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  8. A ray of light from a sodium lamp undergoes total internal reflection....

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  9. A ray of light falls on a right angled prism ABC (AB=BC) and travels a...

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  10. For the given incident ray as shown in the figrue,the condition of tot...

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  11. The critical angle of light passing from glass to air is minimum for

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  12. Which of the following phenomenon is used in optical fiber?

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  13. A glass prism of refractive index 1.5 is immersed in water (mu= 4//3)....

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  14. A,B and C in the diagram represent rays of light incident upon a face ...

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  15. Refractive index of water is 5//3. A light source is placed in water a...

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  16. A fish looking up through the water sees the outside world contained i...

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  17. A diver in swimming pool wants to signal his distress to a person lyin...

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  18. An equiconvex lens has focal length equal to the radius of curvautre.I...

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  19. What is the focal length of a double convex lens for which radius of c...

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  20. A lens behaves as a converging lens in air and diverging lens in wate...

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