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Refractive index of the glass slab is 1....

Refractive index of the glass slab is `1.5.` There is a point object `O` inside the slab as shown. To eye`E_1` object appears at a distance of `6cm` (From the top surface) and to eye `E_2` it appears at a distance of `8cm` (from the bottom surface). Find thickness of the glass slab.

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The correct Answer is:
A, B, C
Applying `d_(app)=d/mu `
`d=(mu)d_(app) `
`:. d_1=(1.5)(6)=9`cm
` d_2=(1.5)(8)=12`cm
Therefore, actual thickness of the glass slab is `d_1+d_2=21`cm
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DC PANDEY ENGLISH-REFRACTION OF LIGHT-Level 2 Subjective
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  14. A convex lens is held 45 cm above the bottom of an empty tank. The ima...

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  15. A parallel beam of light falls normally on the first face of a prism o...

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  16. Two converging lenses of the same focal length f are separated by a di...

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  17. A cubical vessel with non-transparent walls is so located that the eye...

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  18. A spherical ball of transparent material has index of refractionmu. A ...

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  19. A ray incident on the droplet of water at an angle of incidence i unde...

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  20. A transparent solid sphere of radius 2 cm and density rho floats in a ...

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