Knock out the true statements
Exercise and reference answers
- Questions
- Question
- Eliminate the true statements about an ideal gas.
- Choices
- Item
- Molecules attract each other strongly
- Correct
- Yes
- Explanation
- It is proportional to the absolute temperature of the gas.
- Item
- Average energy tracks absolute temperature
- Explanation
- With interaction negligible they follow the first law.
- Item
- Molecules move freely in straight lines
- Explanation
- It runs to thousands of angstroms in a gas.
- Item
- The mean free path is large in gases
- Instructions
- Remove the statements that are true. One false one should survive.
Explanation
_Source: syllabus Physics Part II, Ch 12 'Kinetic Theory'_