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Cutting of Thin Lenses

The type of g...

Question

The type of glass used in making lenses and prisms is :

A

A flint glass

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B

Jena glass

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C

Pyrex glass

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D

Quartz glass

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Solution

The correct option is A A flint glass
Flint glass is used in opticals and prisms. Flint glass is optical glass that has a relatively high refractive index and low Abbe number. A concave lens of flint glass is commonly combined with a convex lens of crown glass to produce an achromatic doublet lens because of their compensating optical properties, which reduces chromatic aberration.
Hence option A is correct.

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