Question

two types of spherical lens

of class 19​

Answer 1

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Thus spherical lenses are of two major kinds called “Convex or Convergent” lenses and “Concave or Divergent” lenses. The point from which these rays converge or appear to diverge is called the “Focus” or “Focal point” and is denoted by the letter 'f'.

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Answer 2

Answer:

When the curved face of a refracting element is of a spherical shape, theselenses are defined as Spherical lenses.Spherical lenses are of two types:Convex lens and Concave lens.

Explanation:

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