Physics question and answers for February 18, 2024
- Q 5 4 0 g of a gas occupies 22 4 litres at NTP The specific heat capacity of the gas at constant volume is 5 0 JK mol If the...
- Q 1 N moles of a monoatomic gas is carried round the reversible rectangular cycle ABCDA as shown in the diagram The temperature at A is To The thermodynamic efficiency of...
- Q the centre of earth is at a distance of 1 5 x 1011 m from the centre of sun the intensity of solar radiation reaching at the earth s surface...
- Q A gas has molar heat capacity C 4 5 R in the process PT constant The number of degrees of freedom of molecules in the gas is 3 6 I...
- Q 40 T V curve of cyclic process is shown below number of moles of the gas are n Find the total work done during the cycle 1 MRT In 2...
- Q 38 An ideal gas expands according to the law p2V constant The internal energy of the gas 1 Increases continuously 2 Decreases continuously 3 Remain constant 1 Eirot in k...
- Q The y air the temperature at 15 C If Test Series fo increases to 35 C the approximate percentage increase in pressure is ignore to expansion of tyre a 7...
- Q roblem 420 A resistor of resistance r 500 2 connected to an external battery is placed nder fitted with a frictionless piston of mass m 10 kg area of cross...
- Q D 21 J of heat energy is supplied to a diatomic ideal gas at constant pressure then change in internal energy of the gas is 1 10 J 3 15...
- Q The W O of a Carnot engine is 1 6 now the temperature of sink is reduced by 62 C then this ratio becomes twice therefore the initial temperature of...
- Q A mass of diatomic gas y 1 4 at a pressure of 2 atmospheres is compressed adiabatically so that its temperature rises from 27 C to 927 C The pressure...
- Q done by the gas heat absorbed by the gas A cylindrical tube of uniform cross sectional area A is fitted with two air tight frictionless pistons The pistons are connected...
- Q 7R Three moles of an ideal gas Cp at pressure P and temperature T is isothermally expand 2 to twice its initial volume V It is then compressed at constant...
- Q Two identical bodies are made of a material for which the heat capacity increases with temperature One of these is at 100 C while the other one is at 0...
- Q D It introduced the concept of the entropy The temperature entropy diagram of a reversible engine cycle is given in thefigure Its efficiency is A 1 2 C 1 3...
- Q If an ideal gas changes from state 1 to state 2 as shown in figure then the work done by the gas in the process will be BHU Screening 2012...
- Q BOX 5 A vessel of volume 8 3 x 10 m contains an ideal gas at temperature 27 C and pressure 200 kPa The gas is allowed to leak till...
- Q 33 A diatomic gas undergoes a process represented by PV1 3 constant Choose the incorrect statement 1 The gas expands by absorbing heat from the surroundings TV0 3 2 The...
- Q If for hydrogen Cp Cy m and for the nitrogen Cp Cv n where Cp and C refer to specific heat per unit mass at constant pressure and specific heat...
- Q An ideal monatomic gas is allowed to expa adiabatically so that its pressure and temperature are related as P CT then x is equal to C is a constant O...
- Q During isobaric process the thermal coefficient of volume expansion of an ideal gas at temperature T in K is 1 Zero 3 2T 2 2 T 1 4 Infinite
- Q 1 m c and n 1 An ideal gas expands in such a way that PV constant throughout the process 1 The graph of the process of T V diagram...
- Q One mole of a monatomic ideal gas is taken along two cyclic processes E F G E and E FH E as shown in the PV diagram The processes invoked...
- Q 7 600 J of heat is added to a monatomic gas in a process in which the gas performs a work of 150 J The molar heat capacity for the...
- Q 1 8 J K 3 4 0 J K 2 0 8 J K 4 0 4 J K 234 Monoatomic diatomic and triatomic gases whose initial volume and pressure...
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