what is focal point
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Answered by
3
Answer:
the point at which rays or waves meet after reflection or refraction, or the point from which diverging rays or waves appear to proceed.
Answered by
0
Answer:
if we talk about mirrors,then,
a point on the principal axis where all the light rays meet or appear to meet after reflection from the mirror
if we talk about lens,then
a point where all the light rays meet or appear to meet after refraction from the lens
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