"लेंस": अवतरणों में अंतर

छो r2.7.1) (robot Adding: si:කාච (ප්‍රකාශ)
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पंक्ति 9:
[[चित्र:Lens types.png|thumb|500 px|'''अभिसारी लेंस'''<br />1 - उत्तलोत्तल या द्वि-उत्तल लेंस <br /> 2 - समतलोत्तल लेंस<br /> 3 - उत्तलावतल (अभिसारी मेनिस्कस)<br />'''अपसारी लेंस'''<br /> 4 - अवतलावतल या द्वि-अवतल लेंस<br /> 5 - समतलावतल लेंस<br /> 6 - अभिसारी मेनिस्कस]]
लेंस को मुख्य रूप से दो वर्गों में विभाजित किया जा सकता है,
* उत्तल लेंस (convex lens) और
* अवतल लेंस (concave lens)
 
पंक्ति 84:
* [http://books.google.com/books?id=J0RX1mbhzAEC&printsec=toc&dq=bk7+optical+glass+construction&source=gbs_summary_s&cad=0#PRA1-PA58,M1 Book- The properties of optical glass]
* [http://books.google.com/books?id=_T9dX14rz64C&pg=PT415&lpg=PT415&dq=camera++optical+glass++composition&source=web&ots=YMMv0GjGDL&sig=8VZXryxlUfcVq3nonFvrNWElkoI&hl=en&sa=X&oi=book_result&resnum=7&ct=result Handbook of Ceramics, Glasses, and Diamonds]
* [http://books.google.com/books?id=KdYclkhSfTAC&pg=PT49&lpg=PT49&dq=optical+glass+ingredients&source=web&ots=sLEkmvi05g&sig=F6ERFbklTewIvFuKh30POTb0JG0&hl=en&sa=X&oi=book_result&resnum=7&ct=result Optical glass construction]
* [http://www.bbc.co.uk/radio4/history/inourtime/inourtime_20070301.shtml History of Optics (audio mp3)] by Simon Schaffer, Professor in History and Philosophy of Science at the [[University of Cambridge]], Jim Bennett, Director of the Museum of the History of Science at the [[University of Oxford]] and Emily Winterburn, Curator of Astronomy at the [[National Maritime Museum]] (recorded by the [[BBC]]).
* [http://www.lightandmatter.com/html_books/5op/ch04/ch04.html a chapter from an online textbook on refraction and lenses]
पंक्ति 99:
[[श्रेणी:भौतिकी]]
[[श्रेणी:प्रकाशीय यंत्र]]
[[श्रेणी:उत्तम लेख]]
 
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{{Link FA|ru}}
 
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