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Easy
Question
For an ideal gas = constant then volume expansion coefficient is equal to :–
The correct answer is:
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A gas is expanded from volume to 2 under three different processes. Process 1 is isobaric process, process 2 is isothermal and process 3 is adiabatic. Let , and , be the change in internal energy of the gas is these processes. Then :–
A gas is expanded from volume to 2 under three different processes. Process 1 is isobaric process, process 2 is isothermal and process 3 is adiabatic. Let , and , be the change in internal energy of the gas is these processes. Then :–
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From the following V–T diagram we can conclude:–
From the following V–T diagram we can conclude:–
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Four containers are filled with monoatomic ideal gases. For each container, the number of moles, the mass of an individual atom and the rms speed of the atoms are expressed in terms of n, m and vrms respectively. If TA , TB ,TC and TD are their temperatures respectively then which one of the options correctly represents the order ?
Four containers are filled with monoatomic ideal gases. For each container, the number of moles, the mass of an individual atom and the rms speed of the atoms are expressed in terms of n, m and vrms respectively. If TA , TB ,TC and TD are their temperatures respectively then which one of the options correctly represents the order ?
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Two identical glass bulbs are interconnected by a thin glass tube at . A gas is filled at N.T.P. in these bulb is placed in ice and another bulb is placed in hot bath, then the pressure of the gas becomes 1.5 times. The temperature of hot bath will be :–
Two identical glass bulbs are interconnected by a thin glass tube at . A gas is filled at N.T.P. in these bulb is placed in ice and another bulb is placed in hot bath, then the pressure of the gas becomes 1.5 times. The temperature of hot bath will be :–
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The expansion of unit mass of a perfect gas at constant pressure is shown in the diagram. Here:–
The expansion of unit mass of a perfect gas at constant pressure is shown in the diagram. Here:–
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Pressure versus temperature graphs of an ideal gas are as shown in figure. Choose the wrong statement:–
Pressure versus temperature graphs of an ideal gas are as shown in figure. Choose the wrong statement:–
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If are heat required to raise the temperature of one gram of water by one degree in Celsius, Kelvin and Fahrenheit temperature scales respectively then :–
If are heat required to raise the temperature of one gram of water by one degree in Celsius, Kelvin and Fahrenheit temperature scales respectively then :–
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Two different rods A and B are kept as shown in figure. The variation of temperature of different cross sections with distance is plotted in a graph shown in figure. The ratio of thermal conductivities of A and B is
Two different rods A and B are kept as shown in figure. The variation of temperature of different cross sections with distance is plotted in a graph shown in figure. The ratio of thermal conductivities of A and B is
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Three rods of the same dimensions have thermal conductivities . They are arranged as shown, with their ends at . The temperature of their junction is: -
Three rods of the same dimensions have thermal conductivities . They are arranged as shown, with their ends at . The temperature of their junction is: -
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The coefficient of apparent expansion of a liquid when determined using two different vessels A and B are and respectively. If the coefficient of linear expansion of the vessel A is , the coefficient of linear expansion of the vessel B is:
The coefficient of apparent expansion of a liquid when determined using two different vessels A and B are and respectively. If the coefficient of linear expansion of the vessel A is , the coefficient of linear expansion of the vessel B is:
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Bars of two different metals are bolted together, as shown in figure. The distance x does not change with temperature if:–
Bars of two different metals are bolted together, as shown in figure. The distance x does not change with temperature if:–
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The variation of lengths of two metal rods A and B with change in temperature is shown in figure. The ratio of A B is:–
The variation of lengths of two metal rods A and B with change in temperature is shown in figure. The ratio of A B is:–
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In a vertical U–tube containing a liquid, the two arms are maintained at different temperatures, and . The liquid columns in the two arms have heights and respectively. The coefficient of volume expansion of the liquid is equal to:–
In a vertical U–tube containing a liquid, the two arms are maintained at different temperatures, and . The liquid columns in the two arms have heights and respectively. The coefficient of volume expansion of the liquid is equal to:–
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Two absolute scales and assigned numerical values 200 and 450 to the triple point of water. What is the relation between and ?
Two absolute scales and assigned numerical values 200 and 450 to the triple point of water. What is the relation between and ?
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The graph AB shown in figure is a plot of temperature of a body in degree Celsius and degree Fahrenheit. Then :–
The graph AB shown in figure is a plot of temperature of a body in degree Celsius and degree Fahrenheit. Then :–
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