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JAMB Physics 2008 Objective — Question 23

Question 23 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2008 Objective paper, with the correct answer and a full explanation.

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23. The diagram shows the heating curve for a solid. QR is the

  • A. melting regionCorrect
  • B. boiling region
  • C. sublimation region
  • D. evaporating process

Explanation

PQ is where the solid's temperature is rising; QR is a plateau where the solid is melting at constant temperature; RS is where the liquid's temperature rises again.

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