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Why moon has no atmosphere?

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प्रश्न

Why moon has no atmosphere?

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उत्तर

Moon has no atmosphere. The escape speed of gases on the surface of the Moon is much less than the root mean square speeds of gases due to low gravity. Due to this, all the gases escape from the surface of the Moon.

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अध्याय 9: Kinetic Theory of Gases - Evaluation [पृष्ठ १८५]

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सामाचीर कलवी Physics - Volume 1 and 2 [English] Class 11 TN Board
अध्याय 9 Kinetic Theory of Gases
Evaluation | Q II. 3. | पृष्ठ १८५

संबंधित प्रश्न

An ideal gas is maintained at constant pressure. If the temperature of an ideal gas increases from 100 K to 10000 K then the rms speed of the gas molecules


Which of the following gases will have the least rms speed at a given temperature?


Calculate the temperature at which the rms velocity of a gas triples its value at S.T.P. (standard temperature T1 = 273 K)


To what temperature should hydrogen at 227° C be cooled at constant pressure so that root mean square velocity of its molecule becomes half of its previous value?


A container has a mixture of two gases, hydrogen, and oxygen at room temperature. Which one of the following statements is true, if VH and VO are the root mean square velocities of hydrogen and oxygen molecules respectively?


The rms speed of oxygen molecule in a gas is u, If the temperature is doubled and the molecules dissociates into two atoms, the rms speed will be ______.


The temperature at which the molecules of nitrogen will have the same r.m.s. velocity as the molecules of oxygen at 327° C is ____________.


What will be the effect on the root mean square velocity of oxygen molecules if the temperature is doubled and the oxygen molecule dissociates into atomic oxygen?


Which of the following relations is correct for root means square speed of a gas at temperature T?

(m = mass of molecule, K = Boltzmann constant)


A fixed mass of gas at constant pressure occupies a volume ‘V’. The gas undergoes a rise in temperature so that the r.m.s. velocity of the molecule is doubled. The new volume will be ______.


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