MHT CET questions
29293 published questions with worked solutions.
- The temperature of a gas at pressure P and volume V is 27 ,^ C . Keeping its volume constant, if its temperature is raised to 927...
- One kg of a diatomic gas is at a pressure of 8 10^4 N/m^2 . The density of the gas is 4 kg/m^3 . What is the energy of the gas...
- Mean kinetic energy (or average energy) per gm molecule of a monoatomic gas is given by
- At constant volume, the specific heat of a gas is 3R 2 , then the value of will be
- For a gas if = 1.4, then atomicity, C_P and C_V of the gas are respectively [MP PET 1997]
- The molar specific heat at constant pressure of an ideal gas is ( 7 2 )R. The ratio of specific heat at constant pressure to that...
- For a gas if ratio of specific heats at constant pressure and volume is then value of degrees of freedom is [CBSE PMT 2000, AFMC...
- A gas expands 0.25 m^3 at constant pressure 10^3 N/m^2 , the work done is
- If = 2.5 and volume is equal to 1 8 times to the initial volume then pressure P' is equal to (Initial pressure = P) [RPET 2003,...
- The gas law PV T = constant is true for [MNR 1974, MP PMT 1984, BHU 1995, BHU 1998, BHU 2000]
- Air in a cylinder is suddenly compressed by a piston, which is then maintained at the same position. With the passage of time [D...
- An adiabatic process occurs at constant [AIIMS 1999, UPSEAT 1999, Pb. PET 2000, Pb. PET 2004]
- 5 moles of oxygen is heated at constant volume from 10 ,^ C to 20 ,^ C . The change in the internal energy of the gas is (the...
- The internal energy change in a system that has absorbed 2 kcal of heat and done 500 J of work is
- A Carnot engine takes 3 10^6 cal of heat from a reservoir at 627 ,^ C and gives it to a sink at 27 ,^ C . The work done by the...
- When heat energy of 1500 joules is supplied to a gas at constant pressure 2.1 10^5 N/m^2 , there is an increase in its volume...
- 1 mm^3 of a gas is compressed at 1 atmospheric pressure and temperature 27 ,^ C to 627 ,^ C . What is the final pressure under...
- A scientist says that the efficiency of his heat engine which operates at source temperature 127 ,^ C and sink temperature 27 ,^...
- If the door of a refrigerator is kept open, then which of the following is true? [JIPMER 2002, AIEEE 2002, CPMT 2003]
- A cylinder fitted with a piston contains 0.2 moles of air at temperature 27 ,^ C . The piston is pushed so slowly that the air...