Student 
and Student 
used two screw gauges of equal pitch and 100 equal circular divisions to measure the radius of a given wire. The actual value of the radius of the wire is 
. The absolute value of the difference between the final circular scale readings observed by the students 
and 
is______ [Figure shows position of reference ' 
' when jaws of screw gauge are closed]
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Reading 
MSR + CSR + Error
For B
Reading 
MSR + CSR + Error
Difference 
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