Physics question and answers for February 22, 2024
- Q 100 An ideal gas undergoes a circular cycle centered at 4 atm 4 lit as shown in the diagram The maximum temperature attained in this process is closed to a...
- Q Two samples of a gas A and B initially at same temperature and pressure are compressed to half their initial volume A isothermally and B adiabatically The final pressure in...
- Q 1 20 joule 2 30 joule 3 30 joule During an adiabatic process the pressure of a gas is found to be proportional to the cube of its absolute temperature...
- Q In a sealed vessel of constant volume diatomic gas is present Due to significant increase in temperature certain molecules dissociated into atoms as a result of which specific heat capacity...
- Q 88 For the p V diagram shown for path 1 2 3 100 J of heat is given to the system and 40 J of work is done by the...
- Q An equimolar mixture of a mono atomic and diatomic gas is subjected to continuous expansion such that dQ 1 au aw The equation of the process in terms of the...
- Q 11 Three samples of the same gas A B and C y 3 2 have initially equal volumes Now the volume of each sample is doubled The process is adiabatic...
- Q The amount of heat given to the gas is equal to the decrease in its internal energy and the work done by the gas is 2 times heat given If...
- Q 27 One mole of an ideal gas undergoes a process Po p Here po and Vo are constants 19 V 1 Change in temperature of the gas when volume is...
- Q An adiabatic cylinder has 8 gm of helium A light smooth adiabatic piston is connected to a light spring of force constant 30 N m The other end of the...
- Q The molar heat capacity in a process of a Q diatomic gas if it does a work of 4 when a heat of Q is supplied to it is Question...
- Q Q 34 One kg of air is heated in a closed vessel i e at a constant volume from a pressure of 2 bar to 5 bar If the initial...
- Q Q 32 A volume of 0 5 m of gas at a pressure of 10 bar and 200 C is expanded in a cylinder to 1 2 m at a...
- Q 2P 2 One mole of an ideal monoatomic gas is taken along a cyclic process take 3 14 P Po 3 12 3 V Vo 2V0 Process 1 2 One...
- Q For a heat engine performing between the temperature 273 K and 409 5 K which among the following cannot be the efficiency 15 2
- Q A ideal gas does 8 J of work during an adiabatic process If its temperature decreases by 4 K then the change in internal energy of the gas will be...
- Q In a certain process PVX Constant the heat Q given to a monoatomic gas leads to a change in internal energy of a Q 4 gas which is equal to...
- Q A bullet is fired horizontally down an open cylinder of cross sectional area 10 m When the gun is fired bullet is at rest and the volume between the end...
- Q A B C D its volume and a similar specimen in the second vessel is expanded adiabatically the same extent then In the second vessel both pressure and work done...
- Q According to answer key option 4 is orrect but my answer is 600R 2 A monoatomic ideal gas undergoes an adiabatic process from temperature 300 K to 600 K The...
- Q 36 The efficiency of a Carnot cycle is 1 6 By lowering the temperature of sink by 65 K it increases to 1 3 The initial and final temperatures of...
- Q Q1A blower handles 1 kg s of air at 20 C and consumes a power of 15 kW The inlet and outlet velocities of air are 100 m s and...
- Q In the indicator diagram as shown in the following figure the work done along path AB will be C Pressure in Nm 40 30 20 10 1 O 45 J...
- Q One mole of an ideal gas having volume 100 cc pressure 1 atm and temperature 100 C undergoes a cyclic process The net internal energy change in one cycle is...
- Q 5 3 200 K 4 250 K 600 J of heat is added to a monoatomic gas in a process in which the gas performs a work of 150J The...
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