JEE Main 2018 — Experimental Physics Question with Solution
JEE Main 2018 (15 Apr Shift 1 Online)
Question
In a screw gauge, 5 complete rotations of the screw cause it to move a linear distance of . There are 100 circular scale divisions. The thickness of a wire measured by this screw gauge gives a reading of 4 main scale divisions and 30 circular scale divisions. Assuming negligible zero error, the thickness of the wire is:
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Least count
Reading (Thickness of wire)
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This is a previous-year question from JEE Main 2018, 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.