If the air inside a rigid box is heated, the i, average speed of the…

Physics WAEC 2008

If the air inside a rigid box is heated, the i, average speed of the molecules increases ii. pressure of the air increases iii. average separation of the molecule increases. Which of the statements above are correct?

  • i and ii only checkmark
  • ii and iii only
  • i and iii only
  • i, ii and iii

The correct answer is: A

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