Practice Quiz

MCAS Physics Exam Practice

Category - Introductory Physics

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Which of the following changes occurs as a solid is heated?
  1. The kinetic energy of the solid decreases.
  2. The average density of the solid increases.
  3. The specific heat capacity of the solid decreases.
  4. The average molecular speed in the solid increases.
Explanation
Answer: D - The average molecular speed in the solid increases.
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