JEE Main 2019 — Magnetic Properties Of Matter Question with Solution
From: JEE Main 2019 (Online) 12th April Morning Slot
Question
A magnetic compass needle oscillates 30 times per minute at a place where the dip is 45o, and 40 times per
minute where the dip is 30o. If B1 and B2 are respectively the total magnetic field due to the earth at the two
places, then the ratio is best given by :
Choose an option
Show full solutionCorrect option: C
Correct answer
C0.7
Step-by-step explanation
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This is a previous-year question from JEE Main 2019, covering the Magnetic Properties Of Matter 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.