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Explain about the Heat Extraction?
a) A body of mass M has a temperature-independent precise heat C. If the body is heated reversibly from a temperature Ti to a temperature Tf what is the change in its entropy?
b) Two such bodies are primarily at temperatures of 100 K and 400 K. A reversible engine is used to take out heat with the hotter body as a source and the cooler body as a sink. What is the maximum quantity of heat that can be extracted in units of MC?
c) The specific heat of water is C= 402j/g k and its density is 1g/cm3 Calculate the maximum useful work that can be extracted, using as a source 103 m3 of water at 100°C and a lake of temperature 10°C as a sink.
Verify the principle of working of a cyclotron. Write two uses of this machine. Draw a labelled ray diagram of a reflecting type telescope. Write it's any one benefit over refra
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Imagine a car tire that contains 5.1 moles of air when at a gauge pressure of 2.1×105N/m2 (the pressure above atmospheric pressure) and a temperature of 27 °C. The temperature incr
Alternating Current: (AC) Such a current can be obtained if a resistor is linked in series with a source of alternating voltage. This current alters its direction so many times
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Whatn is Fusion
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Illustrate Gibbs - Helmoltz equation. What are its applications? A Heat engine operating between temperatures 300 K and 500 K rejects 6 Kcal of heat to the sink. How much heat i
discuss the orgin of energy band in solids
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