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KCET Kinetic Theory of Gases — practice questions — page 3

Explore 76 free Kinetic Theory of Gases questions in KCET Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Kinetic Theory of Gases questions and exercises with answers

Showing questions 61–76 of 76.

Modes and degrees of freedomRead the answer and worked solution →Kinetic theory, mixed checkRead the answer and worked solution →How free are the moleculesRead the answer and worked solution →Does the energy depend on itRead the answer and worked solution →Type the kinetic termRead the answer and worked solution →Type the kinetic numbersRead the answer and worked solution →Pop what the theory explainsRead the answer and worked solution →One word is wrongRead the answer and worked solution →Order the kinetic argumentRead the answer and worked solution →Monatomic or diatomicRead the answer and worked solution →Which one does not belongRead the answer and worked solution →Proportional or independentRead the answer and worked solution →Spot the false statementRead the answer and worked solution →Which ones belongRead the answer and worked solution →Knock out the true statementsRead the answer and worked solution →Kinetic theory bingoRead the answer and worked solution →

Worked practice questions

Modes and degrees of freedom

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Questions
  1. Answer
    2
    Question
    How many energy modes does one vibrational frequency have?
  2. Answer
    2
    Question
    Energy per mode is (1/x) kB T. What is x?
  3. Answer
    3
    Question
    A monatomic gas has how many translational degrees of freedom?
Instructions
Work it out, key the number in, then press enter.
_Source: syllabus Physics Part 2, Ch 12 'Kinetic Theory' (keph205)_

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Kinetic theory, mixed check

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Questions
  1. Statement is true
    Yes
    Statement
    Kinetic theory treats a gas as molecules in rapid motion.
  2. Statement is true
    Yes
    Statement
    Pressure depends on the number density of molecules.
  3. Statement is true
    No
    Statement
    The gas constant R differs from gas to gas.
  4. Statement is true
    Yes
    Statement
    Two gases at the same temperature have the same average molecular kinetic energy.
Instructions
Tap True or False for each statement.
_Source: syllabus Physics Part 2, Ch 12 'Kinetic Theory' (keph205)_

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How free are the molecules

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Items
  1. Item
    Travels far freely
    Category
    Gas
  2. Item
    Disperses if open
    Category
    Gas
  3. Item
    Needs a container
    Category
    Gas
  4. Item
    Atoms can move
    Category
    Liquid
  5. Item
    It can flow
    Category
    Liquid
  6. Item
    Atoms held rigid
    Category
    Solid
Categories
  1. Item
    Gas
  2. Item
    Liquid
  3. Item
    Solid
Instructions
Tap each description into the state it fits.
_Source: syllabus Physics Part II, Ch 12 'Kinetic Theory'_

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