Grade 11General Physics
What is the use of finding the pitch of screw guage ? Expect to find the least count ?
2 Answers
Neer Varshney
Yes Pitch is used to find the least count.
LC= pitch/ number of divisions on circular scale.
and
pitch= distance moved/ no. of rotations
Ashwin Sinha
Dear Pavankumar,
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Pitch
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"Perpendicular distance between two consecutive threads
of the screw gauge or is called PITCH." |
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Pitch = Distance traveled on main scale / total number of rotations
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Least Count
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Minimum measurement that can be made by a measuring device is known as " LEAST COUNT'.
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Least count (screw gauge) = minimum measurement on main scale / total number of divisions on circular scale.
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