physics question for one word .

Asked by vshrikanth | 20th Mar, 2011, 12:16: AM

Expert Answer:

Dear student,
 
 Bifocal reading glasses. These glasses were concave on the bottom half and convex on the upper half. 
 
Hope this helps.
Thankyou
team
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Answered by  | 21st Mar, 2011, 11:16: AM

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