PDF Notes: PHY 103 FULL COURSE

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    What is heat?

    Energy transfer due to temperature difference.

    What defines thermal equilibrium?

    No energy exchange occurs between objects in contact.

    How does the Zeroth Law of thermodynamics work?

    It establishes thermal equilibrium between two objects via a third.

    What happens when two objects are in thermal contact?

    Energy can be exchanged between them.

    What are the common temperature scales?

    Kelvin, Celsius, and Fahrenheit.

    How does thermal conductivity affect temperature perception?

    Higher conductivity materials feel colder at the same temperature.

    What is the implication of the first law of thermodynamics?

    Energy cannot be created or destroyed, only transformed.

    What is the significance of thermometers?

    They measure the temperature of a system.

    What distinguishes the second law of thermodynamics?

    It introduces the concept of entropy in energy transfer.

    What occurs at absolute zero?

    Molecular motion theoretically ceases.