JEE Main 2026 — Units and Dimensions Question with Solution
JEE Main 2026 (08 April Shift 2)
Question
A new unit of length is chosen such that it is equal to the speed of light in vacuum. What is the distance between Venus and Earth in terms of units if light takes min. s to cover this distance?
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Given that the new unit of length is chosen such that the speed of light in vacuum is .
Time taken by light to cover the distance,
Distance between Venus and Earth is given by
Answer:
Time taken by light to cover the distance,
Distance between Venus and Earth is given by
Answer:
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Units and Dimensions chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2026, 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.