|
A meter long narrow bore held horizontally
|
|
1
|
4250
|
December 25, 2016
|
|
Explain why there is no atmosphere on moon
|
|
1
|
2938
|
December 25, 2016
|
|
Three vessels of equal capacity have gases at the same temperature and pressure
|
|
1
|
2269
|
December 25, 2016
|
|
A gas is contained in a closed vessel
|
|
1
|
2763
|
December 25, 2016
|
|
Estimate the total number of air molecules
|
|
1
|
1065
|
December 25, 2016
|
|
Molar volume is the volume occupied by 1 mol of any
|
|
1
|
1636
|
December 25, 2016
|
|
Explain with the suitable example that a reversible process
|
|
1
|
1797
|
December 25, 2016
|
|
Find out whether these phenomena are reversible or not
|
|
1
|
2590
|
December 25, 2016
|
|
What is a heat engine?
|
|
1
|
2015
|
December 25, 2016
|
|
Explain what do you understand by the efficiency of a heat engine?
|
|
0
|
1927
|
December 25, 2016
|
|
Under what condition, an ideal Carnot engine has 100% efficiency?
|
|
0
|
3840
|
December 25, 2016
|
|
A refrigerator is to maintain eatables kept inside at 9°C
|
|
1
|
4606
|
December 25, 2016
|
|
Find the heat transferred to the engine by the reservoirs
|
|
1
|
932
|
December 25, 2016
|
|
What is a cyclic process? What is change in internal energy of the system in a cyclic process?
|
|
1
|
5139
|
December 25, 2016
|
|
A cycle followed by a machine
|
|
1
|
790
|
December 25, 2016
|
|
Two bodies at different temperatures T1 and T2,
|
|
1
|
2321
|
December 25, 2016
|
|
Find heat exchanged by the engine with the surroundings
|
|
1
|
880
|
December 25, 2016
|
|
Calculate the work done for adiabatic expansion of a gas
|
|
0
|
8014
|
December 25, 2016
|
|
Consider a p-V diagram in which the path followed
|
|
1
|
2149
|
December 25, 2016
|
|
Plot the p-V diagram for each case
|
|
1
|
1109
|
December 25, 2016
|
|
When ice melts then change in internal energy
|
|
1
|
2876
|
December 25, 2016
|
|
A cylinder with a movable piston contains 3 moles of hydrogen
|
|
1
|
2692
|
December 25, 2016
|
|
A geyser heats water flowing.at the rate of 3.0 L/min from 27°C to 77°C
|
|
1
|
1090
|
December 25, 2016
|
|
A person of mass 60 kg wants to lose 5 kg by going up and down a 10 m high stairs
|
|
1
|
2313
|
December 24, 2016
|
|
Define period of revolution
|
|
1
|
8687
|
December 24, 2016
|
|
Does the escape speed of a body from the earth depend on
|
|
1
|
2069
|
December 24, 2016
|
|
Does the change in gravitational potential energy
|
|
1
|
1141
|
December 24, 2016
|
|
The earth is acted upon by the gravitational attraction of the sun. Why don't the earth fall into the sun?
|
|
0
|
2261
|
December 24, 2016
|
|
If suddenly the gravitational force of attraction between the earth and a satellite revolving around it becomes zero, what will happen to the satellite?
|
|
0
|
1791
|
December 24, 2016
|
|
An astronaut by mistake
|
|
1
|
1898
|
December 24, 2016
|