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If the temperature of 1 mole of ideal gas is changed from $ 0 ^\circ C to 100 ^\circ C $ at constant pressure, then work done in the process is ........J R = 8-3 J /molk
$ W = P \triangle V $
A mono atomic gas is supplied the heat Q very slowly keeping the pressure constant The work done by the gas.
$ \triangle W = ( \triangle Q ) _P - \triangle U $ $ = ( \triangle Q) _P = ( \triangle Q ) _V $ $ = ( \triangle Q) _P - \left[ 1 - { (\triangle Q ) V \over (\triangle Q) P } \right] $ $ = ( \triangle Q) _P - \left[ 1 - { CV \over CP } \right] $
For adiabatic Process which relation is true mentioned below ? $ \gamma = { C_p \over C_v } $
$ PV ^ { \gamma} = Con $
For adiabatic Process which one is wrong statement?
$ \triangle Q = O, Q = const, du = - dw $ (aidabatic process)
Air is filled in a motor tube at $27 ^\circ C $ and at a Pressure of a atmosphere. The tube suddenly bursts. Then what is the temperature of air. given r of air = 1.5
$ { T_2 \over T_1 } = \left( { P_2 \over P_1} \right) ^ { \gamma -1 \over \gamma} $
If v is the radio of Specigic heats and R is the universal gas constant, then the molar Specific heat at constant Volume Cv is given by ............
${ Cp \over CV } = \gamma $ $ \therefore CP = \gamma CV $ but CP - CV = R
A monoatomic gas is used in a carnot engine as the working substance, If during the adiabatic expansion part of the cycle the volume of the gas increases from $ V to 8 V_1 $ the efficiency of the engine is ......
$ T_1 V_1 ^ { \gamma -1 } = T_2 V_2 ^ { \gamma - 1 } $ ( qdiabafic process) $ T_1 = T_2 \left( { V_2 \over V_1} \right) ^{ \gamma _ 1} $
A System under goes a Cyclic Process in which it absorbs $ Q_1 $ heat and gives out $Q_2$ heat. The efficiency of the Process is n and the work done is W. Which formula is wrong ?
The efficiency (n) of a cyclic process is defined as the ratio of the work done (W) to the heat absorbed (Q1). Mathematically, it is given by: $$ n = rac{W}{Q_1} $$. Therefore, the option $ n = rac{Q_2}{Q_1} $ is incorrect because it incorrectly describes the efficiency of the process as the ratio of the heat given out (Q2) to the heat absorbed (Q1), which is not the correct definition of efficiency.
A car not's engine whose sink is at a temperature of 300K has an efficiency of 40% By space should the temperature of the source be increase the efficiency to 60%
$n = 1 - { T_2 \over T_1 } $
An ideal gas heat engine is operating between $ 227 ^ \circ C and 127 ^\circ $ . It absorbs $10^4 J $ Of heat at the higher temperature. The amount of heat Converted into. work is................. J.
$n = 1 - { T_2 \over T_1 } = { 1- 400 \over 500 } = {1 \over 5} $ $ W = nQ_1 $
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The bank mixes NEET previous year questions (PYQs) with practice questions, each tagged with its exam appearances where applicable.