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CBSE Class 11-science Answered

about the equation of thermodynamic processes
Asked by amandeep. | 14 May, 2010, 03:18: PM
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Answered by | 17 May, 2010, 05:01: PM
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CBSE 11-science - Physics
How much heat energy a petrol engine would require to do 20 kWh of work? Its adiabatic compression ratio is 9 and ?= 1.5.
Asked by sathish | 12 Jan, 2013, 11:39: PM
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CBSE 11-science - Physics
while v pump air into de cycle through air pump,v feel hotness in de air pump and de tube,,,,is that due 2 de friction created due 2 de piston or anything else. explain pls.
Asked by sathish | 11 Jan, 2013, 11:31: PM
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CBSE 11-science - Physics
Explain various part of carnot's engine? explain the working of carnot engine?
Asked by Kashif | 08 Jan, 2013, 08:13: PM
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CBSE 11-science - Physics
what is specific heat? how are cp and cv calculated?
Asked by Nitin Gupta | 02 Jan, 2013, 11:05: AM
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CBSE 11-science - Physics
When 495 grams of boiling water is poured in a mug which weighs 0.15kg,then the temperature of water falls to 69.5degree Celsius if the specific heat capacity of the mug is 0.8*10^3 Calculate the amount of heat lost by water?
Asked by Manmohan Singh Rekhi | 01 Jan, 2013, 12:13: PM
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CBSE 11-science - Physics
sir, in the video you have to ask a question two moles of an ideal gas expands isothermally at 298k,from an initial volume of vi=0.025m3 to a final volume of vf=0.050m3? In the answer n=2.0 moles R=8.31J/(mol.k)can you tell me why the value of n=2.0moles R=8.31j(mol.k).
Asked by Pawan chhipa | 16 Dec, 2012, 09:29: AM
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CBSE 11-science - Physics
A refrigerator with its power on is kept in a closed room ,with its door open. What happens to the temperature of the room? why?
Asked by | 11 Dec, 2012, 11:09: AM
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CBSE 11-science - Physics
How does the internal energy of a given mass of gas depends upon Pressure, Volume, Temperature of gas, Process in achieving that state of mass of gas?
Asked by Divyansh | 05 Dec, 2012, 05:51: PM
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CBSE 11-science - Physics
What are Adiabatic Wall,Diathermic wall,Thermal wall,Diadiabatic wall?
Asked by Divyansh | 05 Dec, 2012, 05:46: PM
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CBSE 11-science - Physics
how does fuel like petrol etc convert itself in form of heat energy which indeed converts into mechanical energy in vehicles?
Asked by | 02 Dec, 2012, 10:02: PM
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