Screw Gauge practical|Introduction and Least count| class11th Physics Practical &ITI Classes

Описание: Screw Gauge is an important instrument to Measure length,it can measure such small length which can't be measured with Vernier Callipers.
In this video I have explained all about screw Gauge and calculated least count
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Your Queries
1) What is the pitch of a screw? ...
2) What is the minimum count of a screw gauge? ...
3) Explain the zero error of screw gauges? ...
4) When is the positive zero error? ...
5) Explain the range of the screw gauge? ...
6) Does the screw diameter depend on the temperature?
7) What is least count of screw Gauge