If the screw on a screw–gauge is given six rotations, it moves by 3mm on the main scale. If there are 50 divisions on the circular scale the least count of the screw gauge is :
Text Solution
Verified by ExpertsThe correct answer is:
D
Pitch fip = 
= 0.5 mm
L.C. = 
= 
mm = 0.01 mm
= 0.001 cm
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