Pressure Formula Hard
Pressure of ideal gas can be written P = (1/3) ρ v_rms^2. Here ρ is:
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About This Question
- Subject
- physics
- Chapter
- kinetic theory of gases
- Topic
- pressure formula hard
- Difficulty
- Hard
- Year
- 2025
Solution
Correct Answer:
Mass density of gas
The fundamental pressure equation from KTG is: P=31VNmvrms2 where N is total number of molecules, m is mass of one molecule, and V is volume.
- The term VNm represents the Total Mass / Volume, which is the mass density (ρ).
- Therefore, P=31ρvrms2.
This hard difficulty physics question is from the chapter kinetic theory of gases, covering the topic of pressure formula hard. It appeared in the 2025 exam.
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