Physics, asked by MohdNaurez, 3 months ago

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

Answers

Answered by baghelgaurav8798

0

Answer:

30cm

Explanation:

we know focus duri= apvartnank×vakrtatrijya

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