The temperature at which the rms speed of oxygen molecule will be sufficient for escaping from the earth is

Q: The temperature at which the rms speed of oxygen molecule will be sufficient for escaping from the earth is

(a) 100 °C

(b) 60000 °C

(c) 1.61 × 105 K

(d) 0.82 × 105 K

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Ans: (c)