Question

hii guys...



what is principle focus??​

Answer 1

Answer:

The principal focus is defined as the point where a beam parallel to the principal axis appears to diverge converges from a point on the principal axis after passing through the lens.

Explanation:

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Answer 2

Answer:

hii friend

good afternoon

Explanation:

The principal focus is defined as the point where a beam parallel to the principal axis appears to diverge converges from a point on the principal axis after passing through the lens.