JEE Main 2008 — Experimental Physics Question with Solution
JEE Main 2008
Question
Two full turns of the circular scale of a screw gauge cover a distance of on its main scale. The total number of divisions on the circular scale is 50 . Further, it is found that the screw gauge has a zero error of while measuring the diameter of a thin wire, a student notes the main scale reading of and the number of circular scale divisions in line with the main scale as 35 . The diameter of the wire is
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Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Diameter M.S.R. C.S.R L.C. Z.E.
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This is a previous-year question from JEE Main 2008, 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.