Science, asked by yashi47, 1 year ago

define terms for a lens

Answers

Answered by parishasinghkunwar

a lens is used in our eyes instead of a spectecal

Answered by charumathi1

OPTIC CENTRE- centre of lens.

PRINCIPAL FOCUS- parallel rays of light falling on convex lens after refraction converges on common point on principal axis which is principal focus.

FOCAL LENGTH- distance between focus and optic centre.

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