अपवर्तनांक किसे कहते हैं ? जल और क्राउन कॉच का अपवर्तनांक लिखिए।
प्र012 एक उत्तल लेंस की फोकस दूरी 40 से.मी. हैं। लेंस की क्षमता की गणना कीजिए
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एक वस्त उत्तल लेंस से 10 सेमी टीसी
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Answer:
n engl j med Genet the class 7 8 the sir we would be a new one in a new job so funny to me at this point in all subject of luck for mike is a new one for you doing today
Explanation:
u can you please send me the class 7-A the class 7-A the class 7-A the class 7-A the class 7-A you and I would be great to hear from you soon and I have to befor class ix and I can get it to be in touch
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