JEE Main 2014 — Experimental Physics Question with Solution
JEE Main 2014 (06 Apr)
Question
A student measured the length of a rod and wrote it as 3.50 cm. Which instrument did he use to measure it ?
Choose an option
Show full solutionCorrect option: B
Correct answer
BA vernier calliper where the 10 divisions in vernier scale matches with 9 division in main scale and main scale has 10 divisions in 1 cm
Step-by-step explanation
As per given data the Vernier has a least count of 0.01 cm, which is consistent with the information given in question.
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This is a previous-year question from JEE Main 2014, 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.