Fundamentholfundamenthol
JEE Main2019Physics
Q.

A 25 × 10–3 m3 volume cylinder is filled with 1 mol of O2 gas at room temperature (300 K). The molecular diameter of O2, and its root mean square speed,  are found to be 0.3 nm and 200 m/s, respectively. What is the average collision rate (per second) for an O2 molecule ?

  1. A

    ~1012 

  2. B

    ~1010 

  3. C

    ~1011 

  4. D

    ~1013

Solution

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