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Define about the Venting?
A thermally insulated chamber is pumped down to an extremely low pressure. At a few point, the chamber is vented thus that it is filled with air up to atmospheric pressure, at which the valve is closed. The temperature of the air contiguous the chamber is T0=300K. What is the temperature T of the gas in the chamber instantly after venting?
(i) The procedure of ejection of electrons from a metal surface by the application of heat is known as thermionic emission and emitted electrons are known as thermions and current
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Refractive Index: The ratio of sine of angle of incidence to the sine of angle of refraction is constant for all rays passing single medium to another medium. This constant is
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