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CBSE Class 10 Answered

Numerical Problem
Asked by | 31 May, 2008, 11:00: AM
Expert Answer

use the formula m = v / u , value of m is (-+3) which is magnifiaction 6/2

find the value of v in terms of u from above formula

now use the formula 1/f = 1/v -1/u ,use this formula   put values of f  and v and find u which is answer.

 

Answered by | 16 Jul, 2008, 04:41: PM
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