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CBSE Class 10 Answered

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Asked by mesourav | 19 Aug, 2009, 04:01: PM
answered-by-expert Expert Answer

Basis of functioning of lenses is that light always follows that path which is covered in least time. This causes the light bending towards normal or moving away from the normal.  

Answered by | 20 Aug, 2009, 10:18: AM

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