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Standard XII

Physics

Specific Heat Capacity

Consider a ga...

Question

Consider a gas with density $ρ$ and $¯ ¯ c$ as the root mean square velocity of its molecules contained in a volume. If the system moves as whole with velocity v, then the pressure exerted by the gas is

\frac{1}{3} ρ {¯ ¯ c}^{2}

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\frac{1}{3} ρ (c + v)^{2}

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\frac{1}{3} ρ (¯ ¯ c - v)^{2}

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\frac{1}{3} ρ ({¯ ¯ c}^{2} - v)^{2}

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Solution

The correct option is A $\frac{1}{3} ρ {¯ ¯ c}^{2}$
Pressure of ideal gas, p = $\frac{1}{3} ρ {¯ ¯ c}^{2}$
$p \propto ρ$

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Consider a gas with density ρ and ¯¯c as the root mean square velocity of its molecules contained in a volume. If the system moves as whole with velocity v, then the pressure exerted by the gas is

The correct option is A 13ρ¯¯c2Pressure of ideal gas, p = 13ρ¯¯c2p∝ρ

Consider a gas with density $ρ$ and $¯ ¯ c$ as the root mean square velocity of its molecules contained in a volume. If the system moves as whole with velocity v, then the pressure exerted by the gas is

The correct option is A $\frac{1}{3} ρ {¯ ¯ c}^{2}$
Pressure of ideal gas, p = $\frac{1}{3} ρ {¯ ¯ c}^{2}$
$p \propto ρ$