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Define about the Bell Jar?
A vessel with a small hole of diameter d in it is delegate inside a high-vacuum chamber. The pressure is so low that the signify free path λ>> d.
The temperature of the gas in the chamber is T0, and the pressure is Po The temperature in the vessel is kept at a constant T1 = 4 T0. What is the pressure within the vessel when steady state is reached?
are thermo-electric thermometres fairly sensitive ?
"At base temperature the volume of a gas differs inversely with pressure". If P and V are volume and pressure of a gas at a given temperature then
draw a force diagram for a baseball player who slows as he slides into the base?
Q. An emf of 5 V is persuading when the current in the coil changes at the rate of 100 As-1. Find the coefficient of self induction. Solution: Induced emf e = - L dI/dt
Quantum Theory of Light: Wave theory failed to describe some new effects in 19th century. A German Physicist Max Plank gave theory about the nature of light. 1. Light is emi
Q. Explain why does heated air expand? Answer:- Temperature is habitually defined as the average thermal energy of the substance at hand. Therefore the hotter a substance
Making a sun-dial To withstand all weather, a sun-dial should be form of metal or painted wood. A cardboard model can be formed for easy experiments. The gnomon which casts
A girl starts and finishes the ride at rest. Her horizontal motion can be take as. •an initial uniform acceleration for 3.0s, followed by •a constant speed of 2.4m/s for a further
Select one membrane industrial separation application for (i) reverse osmosis (RO), (ii) ultrafiltration (UF) and (iii) microfiltration (MF) (at least one of the three (in total
Explain Huygens eye piece with the help of a clean sketch. Illustrate its advantages and disadvantages. What are impure and pure spectra. State the conditions to produce a pure
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