CBSE Class 10 Answered
NUMERICAL
Asked by | 31 May, 2009, 06:06: PM
Expert Answer
Using lens formula:
1/v-1/u=1/f
1/v +1/14=-1/21
1/v=-1/21-1/14=-5/42
v=-42/5=-8.4
Magnification of image is : v/u=-8.4/-14=I/3
I=1.8m
Hence image is virtual,erect and formed on same side of lens as the object.
We have:
Answered by | 31 May, 2009, 07:59: PM
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