MCAT Physics: Thermodynamics

Question 1 of 15

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Thermodynamics is the study of the flow and transformation of energy in the universe.

Select one of the following:

  • True
  • False

Question 2 of 15

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In the zeroth law how much net flow of heat flows between the objects?

Select one of the following:

  • 1

  • 0

  • 2

Question 3 of 15

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What is a major characteristic of absolute zero and what is its measurement?

Select one of the following:

  • no thermal energy 0 K

  • no thermal energy 0 J

  • no thermal energy 0 D

Question 4 of 15

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celsius to fahrenheit is Tf=(9/5)Tc+31

Select one of the following:

  • True
  • False

Question 5 of 15

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The change of temperature in solids results in a change in their ________.

Select one of the following:

  • width

  • height

  • length

Question 6 of 15

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The equation for a change in length of a solid due to a ∆T is... ∆L=(α)(L)(∆T)
α = coeff. of linear expansion (specific to material)
L is the original length

Select one of the following:

  • True
  • False

Question 7 of 15

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The change of temperature in liquids results in a change in their ________.

Select one of the following:

  • weight

  • length

  • volume

Question 8 of 15

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The equation for a change in volume of a liquid due to a ∆T is... ∆V=(β)(V)(∆ T)
where β = 3α
β = coefficient of volume expansion (in K-¹ or °C-¹)
V is original volume

Select one of the following:

  • True
  • False

Question 9 of 15

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First Law of Thermodynamics (internal energy)

Select one of the following:

  • ∆ U= ±Q + ±X

  • ∆ U= ±Q + ±W

  • ∆ U= ±Q + ±Z

Question 10 of 15

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Work done by the system is...

Select one of the following:

  • positive

  • negative

  • neutral

Question 11 of 15

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Work done on the system is...

Select one of the following:

  • positive

  • negative

  • neutral

Question 12 of 15

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What are the three ways by which heat can be transfer E? Check all that apply.

Select one or more of the following:

  • conduction

  • convection

  • radiation

Question 13 of 15

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The direct transfer of energy from molecule to molecule through molecular collisions is called _______.

Select one of the following:

  • condution

  • convection

  • radiation

Question 14 of 15

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When temperature increases, density decreases.

Select one of the following:

  • True
  • False

Question 15 of 15

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How many joules (E) does it take to raise 1kg of water by 1 degree?

Select one of the following:

  • 4,194 J/ kg °C

  • 4,394 J/ kg °C

  • 4,184 J/ kg °C

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MCAT Physics: Thermodynamics

Mike Nervo
Quiz by , created over 2 years ago

Practice quiz for MCAT physics portion, focus on thermodynamics.

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Mike Nervo
Created by Mike Nervo over 2 years ago
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