First slide

The optical instruments

Question

Lens used to remove long sightedness (hypermetropia) is
or
A person suffering from hypermetropia requires which type of spectacle lenses

Moderate

A

Concave lens
B

Plano-concave lens
C

Convexo-concave lens
D

Convex lens

Solution

Hypermetropia is removed by convex lens.

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