12th Class Physics Magnetism Question Bank Assertion And Reason (MCQs) - Magnetism and Matter

  • question_answer
    Directions: In the following questions, a statement of Assertion [A] is followed by a statement of Reason (R). Mark the correct choice as:
    Assertion [A]: In water, value of magnetic field decreases.
    Reason (R): Water is a diamagnetic substance.

    A) Both Assertion [A] and Reason (R) are true and Reason (R) is the correct explanation of Assertion [A]

    B) Both Assertion [A] and Reason (R) are true but Reason (R) is not the correct explanation of Assertion [A]

    C) Assertion [A] is true but Reason (R) is false

    D) Assertion [A] is false and Reason (R) is also false

    Correct Answer: A

    Solution :

    (a) Water is a diamagnetic substance. The relative permeability of water is less than 1.


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