A meter scale made of steel, reads accurately at 
. Suppose in an experiment an accuracy of 
in 
is reqnired, the range of temperature in which the experiment can be performed with this meter scale is (Coefficient of linear expansion of steel is 
)
A
to 
B
to 
C
to 
D
to 
Text Solution
Verified by ExpertsThe correct answer is:
A
Given,
Coefficient of linear expansion, 
.
Length of scale, 
Change in length,
So, the range of temperature in which the experiment can be performed will be 
to 
.
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