JEE Main 2026 — Experimental Physics Question with Solution
JEE Main 2026 (04 April Shift 1)
Question
In a screw gauge when the circular scale is given five complete rotations it moves linearly by mm. If the circular scale has divisions, the least count of screw gauge is _____ mm.
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Pitch of the screw gauge is the linear distance moved in one complete rotation.
Least count of the screw gauge is given by the ratio of the pitch to the total number of divisions on the circular scale.
Answer:
Least count of the screw gauge is given by the ratio of the pitch to the total number of divisions on the circular scale.
Answer:
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This is a previous-year question from JEE Main 2026, 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.