Screw gauge, vernier caliper methods are available for the measurement of length in the case of:
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Screw Gauge , Vernier caliper methods are available for the measurement of length in the case of very minute measurement of length
- Screw Gauge & Vernier Caliper has the least count of 0.01 mm and 0.1mm respectively . Because these two have very less least count that's why these are so much Precise (Screw Gauge is more precise over Vernier caliper) and can measure even very minute lengths .
- We can find out the L.C (least count) of the Screw Gauge by using formula
Least Count= Pitch of Screw gauge / no. of divisions on circular scale
L.C= 1mm/100 = 0.01mm
- And for Vernier Caliper
Least count = Smallest reading on Main Scale/ No. of division on Vernier scale
L.C= 1mm/10 = 0.1mm
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