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NEET 2018 Physics question

PhysicsKinetic Theory of GasesNEET 2018

At what temperature will the rms speed of oxygen molecules become just sufficient for escaping from the Earth's atmosphere? (Given : Mass of oxygen molecule () = Boltzmann's constant )

Answer: (2)

Solution

The escape speed from the Earth is . Set , so . \dfrac{2.76 × 10^{-26} × (1.12 × 10^{4})^2}{3 × 1.38 × 10^{-23}}$ =

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Question ID VK-092197