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 (m) = 2.76 x 10-26 kg, Boltzmann's constant kB = 1.38 × 10-23 J K-1):
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA gas mixture consists of \(2\) moles of O2 and \(4\) moles of Ar at temperature \(T.\) Neglecting all the vibrational modes, the total internal energy of the system is:
1. \(15RT\)
2. \(9RT\)
3. \(11RT\)
4. \(4RT\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA gas mixture consist of 2 moles of and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total internal energy of the system is:
(1)4RT
(2) 15RT
(3)9RT
(4)11RT
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyOne mole of an ideal monatomic gas undergoes a process described by the equation constant. The heat capacity of the gas during this process is:
(1)
(2)
(3)
(4)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe molecules of a given mass of gas have r.m.s velocity of 200 ms-1 at 27°C and 1.0 x 105 Nm-2 pressure. When the temperature and pressure of the gas are increased to ,respectively, 127°C and 0.05 X 105 Nm-2 , r.m.s velocity of its molecules in ms-1 will become :
1. 400/√3
2. 100√2/3
3. 100/3
4.100√2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA given sample of an ideal gas occupies a volume \(V\) at a pressure \(P\) and absolute temperature \(T\). The mass of each molecule of the gas is \(m\). Which of the following gives the density of the gas?
1. \(\frac{P}{kT}\)
2. \(\frac{Pm}{kT}\)
3. \(\frac{P}{kTV}\)
4. \(mkT\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology