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Poorabiya Express: कोसी की शान से दिल्ली महान तक - Md Rashid Alam

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Blog Entry# 4699193
Posted: Aug 30 2020 (10:44)

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Aug 30 2020 (10:44)  
soumyo_dev~
soumyo_dev~   882 blog posts
Group Recipients: *science
Entry# 4699193              
The power of a lens is –2.0 D. Here 'D' stands for:

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1. degree
2. distance
3. dilation
4. dioptre
5. dimension
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