Exploring Heat and Internal Energy
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Questions and Answers

What is the definition of internal energy?

  • The direction of flow of heat when two bodies at different temperatures are brought in contact
  • The measure of the degree of hotness of a body
  • The energy transferred from one body to another due to temperature difference
  • The sum of all microscopic kinetic and potential energies of all molecules in a body (correct)

Which unit is used to measure heat?

  • Joule (correct)
  • Kelvin
  • Celsius
  • Fahrenheit

What is temperature?

  • The energy transferred from one body to another due to temperature difference
  • The direction of flow of heat when two bodies at different temperatures are brought in contact
  • The measure of the degree of hotness of a body (correct)
  • The sum of all microscopic kinetic and potential energies of all molecules in a body

Which scale divides the interval between the freezing and boiling point of water into 100 equal parts?

<p>Celsius or Centigrade Scale (A)</p> Signup and view all the answers

How many scales of temperature are there?

<p>3 (D)</p> Signup and view all the answers

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