Science, asked by zenixcomputer, 1 year ago

define principal focus of len

Answers

Answered by rakeshranjan385

The principal focus of the lens is the point on the axis of a lens or mirror to which parallel rays of light converge or from which they appear to diverge after refraction or reflection.

Answered by rashidkhna73

Answer:

a point on the principal Axis where all the rays incident parallel to principal Axis actually meet convex lens or appeared to meet contact lens after refraction through the given length is known as principal focus

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