JEE Main 2020 — Experimental Physics Question with Solution
JEE Main 2020 (06 Sep Shift 1)
Question
A screw gauge has 50 divisions on its circular scale. The circular scale is 4 units ahead of the pitch scale marking, prior to use. Upon one complete rotation of the circular scale, a displacement of is noticed on the pitch scale. The nature of zero error involved and the lest count of the screw gauge, are respectively:
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Show full solutionCorrect option: B
Correct answer
BPositive
Step-by-step explanation
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This is a previous-year question from JEE Main 2020, covering the Experimental Physics chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.