The linear expansivity of a metal P is twice that of another metal Q. When…

Physics WAEC 1996

The linear expansivity of a metal P is twice that of another metal Q. When these materials are heated through the same temperature change, their increase in length is the same. Calculate the ratio of the original length of P to that of Q.

  • 1:4
  • 1:2 checkmark
  • 2:1
  • 4:1
  • 6:1

The correct answer is: B

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