JEE Main 2021 — Units and Dimensions Question with Solution
JEE Main 2021 (31 Aug Shift 1)
Question
Which of the following equations is dimensionally incorrect?
Where time, height, surface tension, angle, density radius, the acceleration due to gravity, volume, pressure, work done, torque, permittivity, electric field, current density, length.
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Dimensions of (volume flow rate) is .
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This is a previous-year question from JEE Main 2021, covering the Units and Dimensions 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.