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5th Class Science Matter and Materials Question Bank Matter

  • question_answer
    Tanmay heated a bimetallic strip made up of metal X and metal Y. After a few minutes, he observed that it curled as shown. What can be concluded from this experiment?            

    A)  Metal X expands more than metal Y.

    B)  Metal Y expands more than metal X.

    C)  Metal X expands and metal Y contracts.

    D)  Metal Y expands and metal X contracts.

    Correct Answer: B

    Solution :

    Both metals expand on heating but metal Y expands more which leads to curling.


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