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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,` then refractive index of glass is

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(5/3)
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AAKASH SERIES-RAY OPTICS-PROBLEMS ( LEVEL-I)
  1. A beam of light is incident on a glass slab of refractive index 1.5 at...

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  2. Find the time taken by light to travel a distance of 3 cm in glass. (c...

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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 refractive index of denser medium with respect to rarer medium is ...

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  5. A source of yellow light placed in air is observed by a person swimmin...

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  6. In the arrangement shown in the figure a light ray is incident at an a...

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  7. One side of a glass slab is silvered as shown in the figure. A ray of ...

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  8. Calculate the refractive index of material with respect to air if its ...

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  9. The velocities of light in two different media are 2*10^8m/s and 2.5 *...

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  10. An optical fibre (RI = 1.72) is surrounded by a glass coating (RI= 1.5...

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  11. A ray of light travelling in glass (mug=3//2) is incident on a horizon...

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  12. A liquid of refractive index 1.5 is poured into a cyclindrical jar of ...

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  13. The radii of curvature of a lens are + 20 cm and + 30 cm. The material...

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  14. The radii of curvature of a lens are + 20 cm and + 30 cm. The material...

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  15. An object of size 3.0 cm is placed 14 cm in front of a concave lens of...

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  16. A concave - convex lens has faces of radii 4 cm and 3 cm respectively ...

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  17. A concave - convex lens has faces of radii 4 cm and 3 cm respectively ...

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  18. A concave - convex lens has faces of radii 4 cm and 3 cm respectively ...

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  19. If the angle of prism is 60^@ and the angle of minimum deviation is al...

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  20. A ray of light passing through a prism having refractive index sqrt2 s...

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