JEE Main 2018 — Units and Dimensions Question with Solution
JEE Main 2018 (15 Apr Shift 2 Online)
Question
The characteristic distance at which quantum gravitational effects are significant, the Planck length, can be determined from a suitable combination of the fundamental physical constants and . Which of the following correctly gives the Planck length?
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Plank length is a unit of length,
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This is a previous-year question from JEE Main 2018, 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.