First slide

Kinetic theory of ideal gases

Question

If pressure of a gas is increased without changing its density, then

Easy

A

RMS velocity of molecules increases
B

RMS velocity of molecules decreases
C

RMS velocity of molecules remains same
D

Nothing can be said about the RMS velocity of molecules

Solution

$P = \frac{1}{3} ρ v_{R M S}^{2} A s p r e s s u r e i n c r e a s e s, V_{R M S} i n c e a s e s$

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