Question

A ray of light is passes through a lens emerges parallel to the principal axis of the lens . the incident ray passes through

Its optical centre

Its first focus

Its second focus

The centre of curvature of the first surface.

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Answer 1

Answer:

Explanation:

A point, on the principal axis of the lens, through which rays, coming parallel to the lens and after refraction, pass (for convex lens) or appear to come from (for concave lens), is known as the second principal focus of the lens.