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UPSC Physics Heat Question Bank Sound, Oscillations, Heat and Thermodynamics

  • question_answer
          Strips of two metals A and B are firmly jointed together as shown in the figure.                                   [IAS Prelim] On heating, A expands more than B does. If this jointed strip is heated, then it will appear as

    A)

    B)

    C)

    D)         

    Correct Answer: B

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