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A transparent glass slab (G) of thicknes...

A transparent glass slab (G) of thickness 6 cm is held perpendicular to the principal axis of a convex lens (L) as shown in the Figure. The refractive index of the material of the glass is `(3)/(2)` and its nearer face is at a distance 40 cm from the lens. Focal length of the lens is 20 cm. Find the thickness of the glass slab as observed through the lens.

Text Solution

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The correct Answer is:
`3.3 cm`
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