At what temperature the rms speed of oxygen atom equal to rms speed of helium gas atom at `-10^(@)C` ?
Atomic mass of helium `=4`
Atomic mass of oxygen `=32`

Explanation

To solve the problem of finding the temperature at which the root mean square (rms) speed of an oxygen atom equals the rms speed of a helium gas atom at -10°C, we can follow these steps:

### Step 1: Understand the formula for rms speed
The rms speed (\(v_{rms}\)) of a gas is given by the formula:
\[ v_{rms} = \sqrt{\frac{3RT}{M}} \]
where:
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