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
Topperlearning.com
Answered by | 21st Mar, 2011, 11:16: AM
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