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NEET Sample Paper NEET Sample Test Paper-7

  • question_answer
    Invar an alloy of \[Fe\] and \[Ni\] is used in watches and meter scale. Its characteristic property is:

    A)  small coefficient of expansion

    B)  resistance of corrosion

    C)  magnetic nature

    D)  hardness and elasticity

    Correct Answer: A

    Solution :

    Invar, an alloy of Fe and Ni is used in watches and meter scale. Its characteristic property is small coefficient of expansion.


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