The Kinetic Theory of Gases: Elementary Treatise with Mathematical Appendices

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Longmans, Green, 1899 - Počet stran: 472
 

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Strana 74 - ... difficulty concerned the phenomena due to the polarization of light. When we spoke earlier of waves, we always had in mind longitudinal waves such as are known in the case of sound. For a sound wave consists of rhythmical condensations and rarefactions, during which the individual particles of air move to and fro in the direction of propagation of the wave. Transverse waves were, indeed, also known — for example, the waves on a surface of water, or the vibrations of a stretched string, in which...
Strana 229 - ... the molecular weight of the gas then 1 mole of the gas has been considered, ie 1 kg mole of oxygen is 32 kg oxygen, or 1 kg mole of hydrogen is 2 kg hydrogen. The equation may be written as pV0 = MRT ...(7.8) where V0 = molar volume M = molecular weight of the gas.
Strana 381 - The number of molecules of which the velocities lie between u and u + du, v and v + dv, w and w + dw will now be r du dv dw.
Strana 12 - A Defence of the Doctrine touching the spring and weight of the air ... against the objections of Franciscus Linus, etc.
Strana 462 - L e** + 1 where the upper or lower sign is to be taken according as the...
Strana 32 - ... the pressure exerted by the mixture is equal to the sum of the pressures due to each gas separately.
Strana 13 - If... the gas consists of a large number of moving particles, and the pressure, exerted by it on the walls of the vessel arises from the impacts of the particles against these walls, then... if the gas is compressed and the volume diminished, the number of impacts of the now more closely packed particles against the walls increases, and for two reasons: first, there is a larger number of particles in the layer of gas immediately adjoining the walls ; and, secondly, as the particles are more crowded...
Strana 152 - ... other. Mostly, however, the particles collide against each other obliquely ; then the particle struck is thrust off in quite a different direction, and it follows that it also receives a much smaller share of the excess of energy of the other. The transference of heat is therefore not only impeded by having to follow a zig-zag path hither and thither instead of proceeding in a straight line, but also by only a small fraction of any excess of energy being in general imparted at each collision....
Strana 256 - But 2rh= (chord of half the arc)2; therefore the area of the zone is equal to the area of the circle whose radius is equal to the rectilinear distance from the pole of the zone to the circumference which serves as a base.
Strana 373 - Einstein's hypothesis, he argues that when such a "light-quant" collides with a free electron the impact should be governed by the laws which hold for the collision between any material bodies. These are two in number, namely : (1) the principle of the conservation of energy; (2) the principle of the conservation of momentum (Newton's Third Law).

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