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प्रश्न
The point inside the lens on the principal axis through which light rays pass without changing their path is called _______.
पर्याय
centre of curvature
optical centre
principal focus
axiom point
MCQ
रिकाम्या जागा भरा
उत्तर
The point inside the lens on the principal axis through which light rays pass without changing their path is called optical centre.
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