Published by:
CGP EDU Academic Team
Published on: August 22, 2026
In an experiment for estimating the value of focal length of converging mirror, image of an object placed at 
from the pole of the mirror is formed at distance 
from the pole of the mirror. These distances are measured with a modified scale in which there are 20 small divisions in 
. The value of error in measurement of focal length of the mirror is 
. The value of 
is
Text Solution
Verified by ExpertsThe correct answer is:
32
(32)
Put value of 
in
so 
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