Which of the following statement(s) (are) correct regarding the root mean square speed U r m s and average…

1. ${\mathrm{U}}_{\mathrm{r}\mathrm{m}\mathrm{s}}$ is doubled when its temperature is increased four times
2. ${\mathrm{\epsilon }}_{\mathrm{a}\mathrm{v}}$ at a given temperature does not depend on its molecular mass
3. ${\mathrm{U}}_{\mathrm{r}\mathrm{m}\mathrm{s}}$ is inversely proportional to the square root of its molecular mass
4. ${\mathrm{\epsilon }}_{\mathrm{a}\mathrm{v}}$ is doubled when its temperature is increased four times

Solution

Asked in: JEE Advanced 2019 (Paper 1)

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