PP22 WHAT IS THE DIFFERNCE BETWEEN BI CONVEX AND DOUBLE CONVEX LENS.  | 
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| asked by Siddharth Chhetri (dgenerationx) 9 years ago | |
4  | |
Characteristics of equi convex and equi concave lens. PP28  | 
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| asked by Darshan Deshpande (darshan1504) 9 years ago | |
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can too join pp????  | 
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| asked by Andy Pinto (andria) 9 years ago | |
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andy pinto-40  | 
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| asked by Shodhan Shetty (shodhansonofsridevi) 9 years ago | |
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Who decides pp no. And what is its use???  | 
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| asked by Born To Succeed (rupanwita) 9 years ago | |
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When did this PP START and how many ch are over............  | 
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| asked by Ankit Fadia (tanmay_dani) 9 years ago | |
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