JEE Main 2020 — Experimental Physics Question with Solution
JEE Main 2020 (03 Sep Shift 1)
Question
Using screw gauge of pitch and divisions on its circular scale, the thickness of an object is measured. It should correctly be recorded as,
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Thickness Reading Circular Scale Reading
Here least count is
From all the four options, the second answer is divisible by this least count. Hence option is correct.
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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.