MHT CET · Physics · Kinetic Theory of Gases
According to Boyle's law, the product PV remains constant. The unit of PV is same as that of
- A energy
- B force
- C impulse
- D momentum
Answer & Solution
Correct Answer
(A) energy
Step-by-step Solution
Detailed explanation
The units of PV can be calculated as follows:
The unit of pressure is \(\mathrm{Kgm}^{-1} \mathrm{~s}^{-7}\)
The unit of volume is \(\mathrm{m}^3\)
\(\therefore \quad\) The unit of \(\mathrm{PV}\) is
Unit \(=\mathrm{Kgm}^{-1} \mathrm{~s}^{-2} \mathrm{~m}^3=\mathrm{Kgm}^2 \mathrm{~s}^{-2}\)
This is a unit of energy.
The unit of pressure is \(\mathrm{Kgm}^{-1} \mathrm{~s}^{-7}\)
The unit of volume is \(\mathrm{m}^3\)
\(\therefore \quad\) The unit of \(\mathrm{PV}\) is
Unit \(=\mathrm{Kgm}^{-1} \mathrm{~s}^{-2} \mathrm{~m}^3=\mathrm{Kgm}^2 \mathrm{~s}^{-2}\)
This is a unit of energy.
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