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JEE Mains Model Paper 2

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Question : 36

Total: 90

At what temperature will the rms speed of oxygen molecule will be sufficient for escapingfrom the earth ?
[ve = 11.2 km/s , m = 2.76 × 10−26 Kg and k = 1.38 × 10−23 J/K]

T < 8.36 × 104 K
T < 1.36 × 104 K
T > 1.36 × 104 K
T > 8.36 × 104 K

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