Physics, asked by dk903038, 5 months ago

22.
एक समद्वितल लेंस के प्रत्येक तल की वक्रता त्रिज्या 20 cm तथा लेंस के पदार्थ का अपवर्तनांक
1.5 है। लेंस की फोकस दूरी है

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Answered by deepikamr06

1

एक समद्वितल लेंस के प्रत्येक तल की वक्रता त्रिज्या 20 cm तथा लेंस के पदार्थ का अपवर्तनांक

1.5 है। लेंस की फोकस दूरी है

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