Read the statements given below and identify X and Y.
X is the centre of the mirror.
Y is a point on the principal axis where parallel rays of light meet or converge
or seem to diverge after reflection.
(A) X-Focus, Y- Principal axis
(B) X-Focus , Y- Pole
(C) X-Pole, Y- Focus
(D) X- Principal axis , Y- Focus
Answers
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X is the centre of the mirror so it is the centre of curvature(which lies on principal axis).
Y is where the lights converge after reflection so it is the focal point (focus)
The pole is the extreme most part of the principal axis touching the mirror so after process of elimination.
the answer is D) X- Principal Axis , Y- Focus.
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Answer:
D) X- Principal axis , Y- Focus
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