August 24, 2022
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Aug 24, 2022
(a)Â Â (2/5)RÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (b) Â (5/2)R (c)Â (10/3)RÂ ...
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Aug 24, 2022
temperature is T0, atmospheric pressure is also P0. Now the temperature of the gas is increased to 2T0, the tension...
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Aug 24, 2022
volume V1 to V2 for a gas which obeys Vander Waal’s equation (V – βn)[ P + (αn2/v)= nRT (a) ...
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Aug 24, 2022
(a)Â Â Â P3 > P1 , W > 0Â Â Â Â Â Â (b) Â P3 < P1 , W...
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Aug 24, 2022
(a)Â 4 RTÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (b)Â 15 RT (c)Â Â 9 RTÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (d)Â 11 RT Ans. d (16)
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Aug 24, 2022
(a) PV3/2 = constant            (b) PV5/2 = constant (c) PV7/3 = constant            (d) PV4/3= constant Answer-a (9)
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Aug 24, 2022
(a)Â 5%Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (b)Â 6% (c)Â Â 7%Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (d)Â 8% Answer-c (6)
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Aug 24, 2022
(a) Q=2RTÂ Â Â Â Â Â Â Â Â Â Â Â Â Â (b) Q=RT (c) Q=3RTÂ Â Â ...
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Aug 24, 2022
(a) (2/5)RÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (b)...
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Aug 24, 2022
P0 and temperature is T0, atmospheric pressure is also P0. Now the temperature of the gas is increased to 2T0,...
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Aug 24, 2022
V1 to V2 for a gas which obeys Vander Waal’s equation (V-βn)[P+(αn2/V)]=nRT (a) nRT loge [ (V2-nβ)/( V1-nβ) ]+αn2[(V1 –...
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Aug 24, 2022
V1 to V2 and then compressed to original volume V1 adiabatically. Initial pressure is P1Â and final pressure is P3...
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Aug 24, 2022
(a)Â 4 RTÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (b)Â 15 RT (c)Â Â 9 RTÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (d)Â 11 RT Answer-d (6)
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Aug 24, 2022
(a)Â Â (2/3)QÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (b) (3/5)Q...
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Aug 24, 2022
at 00C and also contains an insulated piston of negligible weight and negligible thickness at the middle point. The gas...
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Aug 24, 2022
T1, is enclosed in a cylinder fitted with a frictionless piston. The gas is allowed to expand adiabatically to a...
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Aug 24, 2022
The mass of the gas in A is mB and that in BÂ is . The gas in each cylinder...
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Aug 24, 2022
(a)Â Â Â Â Â Transfer of heat by radiation (b)Â Electrical heating of a nichrome wire (c)Â Â Transfer of heat by conduction (d)Â ...
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Aug 24, 2022
(a)Â Positive work is done by ice-water system on the atmosphere (b)Â Positive work is done on the ice-water system...
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Aug 24, 2022
volume of 1671 cm3 .If the atmospheric pressure = 1.013 x 105 N/m3 and the mechanical equivalent of heat =...
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Aug 24, 2022
(a) 2/5Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (b)...
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Aug 24, 2022
between 227°C and 127°C. It absorbs 6 x 104 cals of heat at higher temperature. Amount of heat converted to...
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Aug 24, 2022
at temperature 727°C and 227°C. The maximum possible efficiency of such an engine is (a) 1/2                                    (b) 1/4 (c)  ...
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Aug 24, 2022
of – 23°C and the compressed gas in the condenser has a temperature of 27°C. The theoretical coefficient of performance...
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Aug 24, 2022
-130c . The coefficient of performance of the engine is 5. The temperature of the air (to which heat is...