अवतल दर्पणों के उपयोग: Difference between revisions

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[[Category:प्रकाश -परावर्तन तथा अपवर्तन]]
[[Category:प्रकाश -परावर्तन तथा अपवर्तन]]
[[Category:कक्षा-10]]

Revision as of 17:23, 26 September 2023

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