6th Class Science Magnetism Question Bank Magnetism

  • question_answer Which of the following gets demagnetised when a powerful magnet is kept near it?

    A) Plastic ruler     

    B)         Compact disc

    C) Glass tumbler 

    D)          Wood

    Correct Answer: B

    Solution :

        The magnetic property of a compact disk may be damaged when a powerful magnet is kept near it. Plastic glass and wood are non-magnetic materials hence cannot be magnetised or demagnetised.

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