Physics
Heat
Easy
Question
On the basis of kinetic theory of gases , the mean K.E of 1 mole per degree of freedom is
The correct answer is:
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Th e ratio of the number of moles of a monoatomic to a Polyatomic gas in a mixture of the two , behaving as an diatomic gas is : (vibrational modes of freedom is to be
ignored)
Th e ratio of the number of moles of a monoatomic to a Polyatomic gas in a mixture of the two , behaving as an diatomic gas is : (vibrational modes of freedom is to be
ignored)
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The average translational kinetic energy of the molecules of a gas w ill be doubled if at constant
The average translational kinetic energy of the molecules of a gas w ill be doubled if at constant
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If the volume of a gas is doubled at constant pressure, the average translational kinetic energy of its molecules will
If the volume of a gas is doubled at constant pressure, the average translational kinetic energy of its molecules will
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An ideal gas is heated at constant volume until its pressure doubles. Which one of the following statements is correct?
An ideal gas is heated at constant volume until its pressure doubles. Which one of the following statements is correct?
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Four molecules of a gas are having speeds of 1, 4, 8 and 16 ms-1. The root mean square velocity of the gas molecules is
Four molecules of a gas are having speeds of 1, 4, 8 and 16 ms-1. The root mean square velocity of the gas molecules is
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‘N’ Molecules each of mass ‘m’ of gas ‘A’ and ‘2N’ molecules each of mass ‘2m’ of gas ‘B’ are contained in the same vessel, which are maintained at a temperature T. The mean square velocity of molecules of B type is denoted by ‘v2’ and the mean square of the ‘X’ component of the velocity of A type is denoted by 
‘N’ Molecules each of mass ‘m’ of gas ‘A’ and ‘2N’ molecules each of mass ‘2m’ of gas ‘B’ are contained in the same vessel, which are maintained at a temperature T. The mean square velocity of molecules of B type is denoted by ‘v2’ and the mean square of the ‘X’ component of the velocity of A type is denoted by
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An ideal gas undergoes a process in which PV –a = constant, where V is the volume
occupied by the gas initially at pressure P. At the end of the process, ‘r.m.s’ speed of gas molecules has become a1/2 times of its initial value. What will be the value of CV so that energy transferred in the form of heat to the gas is 'a' times of the initial energy.
An ideal gas undergoes a process in which PV –a = constant, where V is the volume
occupied by the gas initially at pressure P. At the end of the process, ‘r.m.s’ speed of gas molecules has become a1/2 times of its initial value. What will be the value of CV so that energy transferred in the form of heat to the gas is 'a' times of the initial energy.
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Find the number of degrees of freedom of molecules in a gas whose molar heat capacity at constant pressure is equal to Cp=29 J/ (mol.K)
Find the number of degrees of freedom of molecules in a gas whose molar heat capacity at constant pressure is equal to Cp=29 J/ (mol.K)
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In crude model of a rotating diatomic molecule of chlorine (Cl2), the two Cl atoms are
apart and rotate about their centre of mass with angular speed 
. What is the rotational kinetic energy of one molecule of Cl2, which has a molar mass of 70.0g/mol?
In crude model of a rotating diatomic molecule of chlorine (Cl2), the two Cl atoms are apart and rotate about their centre of mass with angular speed . What is the rotational kinetic energy of one molecule of Cl2, which has a molar mass of 70.0g/mol?
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The temperature of the gas consisting of rigid diatomic molecules is T = 300K. Calculate the angular root mean square velocity of a rotating molecule if its moment of inertia is equal to 
The temperature of the gas consisting of rigid diatomic molecules is T = 300K. Calculate the angular root mean square velocity of a rotating molecule if its moment of inertia is equal to
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How many degrees of freedom does a gas molecule have under standard conditions if gas has density 1.3 kg/m3 and the velocity of sound propagation in the gas is v=330m/s?
How many degrees of freedom does a gas molecule have under standard conditions if gas has density 1.3 kg/m3 and the velocity of sound propagation in the gas is v=330m/s?
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The pressure of an ideal gas varies according to the law 
where P0 and A are positive constants. What is the highest temperature that can be attained by the gas?
The pressure of an ideal gas varies according to the law where P0 and A are positive constants. What is the highest temperature that can be attained by the gas?
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Given graph gives variation of 
with P for 1gm of oxygen at two different
temperatures 
If density of oxygen is 1.427 kg/m3 ,the value of
at point A and relation between 
is
Given graph gives variation of with P for 1gm of oxygen at two different
temperatures If density of oxygen is 1.427 kg/m3 ,the value of
at point A and relation between is
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Two chambers one containing m1 gram of a gas at pressure P1 and other containing m2 gram
of same gas at pressure P2 are put in communication with each other. If temperature remains constant, the common pressure reached will be
Two chambers one containing m1 gram of a gas at pressure P1 and other containing m2 gram
of same gas at pressure P2 are put in communication with each other. If temperature remains constant, the common pressure reached will be
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Determine the gas temperature at which the root mean square velocity of hydrogen molecules exceeds their most probable velocity by 400 m/s
Determine the gas temperature at which the root mean square velocity of hydrogen molecules exceeds their most probable velocity by 400 m/s
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