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← Heat and Thermodynamics
GK QUESTION#2938

Consider the following statements about heat and energy transfer: Statement I: Heat is a form of energy that flows from a body at a higher temperature to one at a lower temperature. Statement II: The study of energy transfer, including heat, is a part of thermodynamics. Statement III: Heat is primarily associated with the forces of gravity and magnetism. Which of the following is correct?

  1. AOnly Statements I and II are correctCorrect answer
  2. BOnly Statements II and III are correct
  3. COnly Statement I is correct
  4. DAll three statements are correct
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Answer

A. Only Statements I and II are correct

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Explanation

Statements I and II express the intended thermodynamic ideas: heat is energy transferred because of a temperature difference, and thermodynamics studies heat, work and energy. Statement III is not a definition or general explanation of heat transfer.

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