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Pressure Formula Hard

Hardphysics

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
Tags
PressureDensity

Solution

Correct Answer:

Mass density of gas

The fundamental pressure equation from KTG is: where is total number of molecules, is mass of one molecule, and is volume.

  • The term represents the Total Mass / Volume, which is the mass density ().
  • Therefore, .

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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