Question

Lens
1 point
A) refers to a magnifying glass
B) is a piece of transparent medium bounded by at least one spherical surface.
C) Both the above are correct.
D) None of these​

Answer 1

Answer:

Lens is a transparent material bound by two surfaces, of which one or both surfaces are spherical.

(B) It may have two spherical surfaces, bulging outwards called convex lens and can have two spherical surfaces, curved inwards called concave lens. It may also have a plane and a spherical surface as in plano-convex lens.

Explanation:

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