JEE Main 2026 — Mathematics in Physics Question with Solution
JEE Main 2026 (23 January Shift 1)
Question
Four persons measure the length of a rod as and 18.25 cm. The relative error in the measurement of average length of the rod is :
Choose an option
Show full solutionCorrect option: B
Correct answer
B0.06
Step-by-step explanation
Mean cm.
Absolute errors: , , , .
Mean absolute error .
Relative error .
Absolute errors: , , , .
Mean absolute error .
Relative error .
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This is a previous-year question from JEE Main 2026, covering the Mathematics in 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.