The pitch of a screw gauge is 
and there are 50 divisions on its cap. When nothing is put in between the studs, 44th division of the circular scale coincides with the reference line and zero of the main scale is not visible. When a glass plate is placed between the studs, the main scale reads three divisions and the circular scale reads 26 divisions. Calculate the thickness of the plate.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
zero error 
Observed reading 
Actual reading 
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