Physics questions
20125 published questions with worked solutions.
- Which one of the following equations specific an isobaric process? [Q = heat supplied P, V and T are change in pressure, volume...
- A polyatomic gas ( =4/3) is compressed to ( 18 )th of its volume adiabatically. If its initial pressure is P_0, its new pressure...
- An ideal gas with pressure P, volume V and temperature T is expanded isothermally to a volume 2V and a final pressure P_i. The...
- A monoatomic ideal gas initially at temperature T_1 is enclosed in a cylinder fitted with a frictionless piston. The gas is...
- In a thermodynamic system, working substance is an ideal gas. Its internal energy is in the form of [MHT-CET 2021]
- In an adiabatic process the state of a gas is changed from P_1,V_1,T_1 to P_2,V_2,T_2 out of the following relations, the correct...
- In which thermodynamic process, there is no exchange of heat between the system and surroundings? [MHT-CET 2020]
- In an adiabatic expansion of a gas initial and final temperatures are T_1 and T_2 respectively then the change in internal energy...
- 'V' cc volume of a gas having = 52 is suddenly compressed to ( V4 ) c. c. The initial pressure of the gas is P. The final...
- Out of the following statements, which one is 'NOT' correct in case of thermodynamic process? [MHT-CET 2020]
- A thermodynamic process of uncontrolled change satisfying the equation Q = W = 0, is [Q = heat supplied, W = work done] [MHT-CET...
- A sample of a gas expands from volume 'V_1' to 'V_2'. The amount of work done by the gas is maximum when the expansion is...
- Which one of the following equations specifies an isochoric process? [Q = heat supplied, p = change in pressure, V = change in...
- A polyatomic gas ( =4/3) is compressed to ( 18 )th of its volume adiabatically. If its initial pressure is P_0, its new pressure...
- In which thermodynamic process, the change in internal energy ' U', heat supplied 'Q' and the work done in expansion 'W' are all...
- A monoatomic gas ( = 53 ) initially at 27°C having volume 'V' is suddenly compressed to one-eighth of its original volume ( V8 )....
- The thermodynamic process in which no work is done on or by the gas is [MHT-CET 2019]
- An ideal gas expands adiabatically, ( = 32 ). To reduce the r. m. s. velocity of the molecules 3 times the gas has to be expanded...
- The sample of gas expands from volume 'V_1' to 'V_2'. The amount of work done by the gas is greatest when the expansion is...
- An ideal gas which is diatomic ( = 75 ) undergoes an adiabatic change. If the relation between temperature and volume is TV^x=...