JEE Main 2020 — Magnetic Properties of Matter Question with Solution
JEE Main 2020 (03 Sep Shift 2)
Question
A perfectly diamagnetic sphere has a small spherical cavity at its centre, which is filled with a paramagnetic substance. The whole system is placed in a uniform magnetic field . Then the field inside the paramagnetic substance is:

Choose an option
Show full solutionCorrect option: B
Correct answer
BZero
Step-by-step explanation
When magnetic field is applied diamagnetic substance produces magnetic field in opposite direction so net magnetic field will be zero.
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This is a previous-year question from JEE Main 2020, 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.