A hollow convex lens of glass will behave like a

Convex lens

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Concave lens

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Glass plate

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Mirror

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Solution

The correct option is C Glass plate
Hollow convex lens is as shown in figure.

$\frac{1}{f_{1}} = (μ_{g} - 1) (\frac{1}{R_{1}} - \frac{1}{R_{2}}) = 0$ $(a s R_{1} = R_{2})$
or $f_{1} = \infty$
Similarly, $f_{2} = \infty$
Therefore, a hollow convex lens of any material will behave like a glass plate.

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