bei48482_FM
Figure 2.31The frequency of a photon emitted from the surface of a star decreases as it moves away from the star. R mass = M vv′ ...
Quasars and Galaxies I n even the most powerful telescope, a quasarappears as a sharp point of light, just as a star does. Unlik ...
2.2 Blackbody Radiation If Planck’s constant were smaller than it is, would quantum phenomena be more or less conspicuous than ...
90 Chapter Two Light from the sun arrives at the earth, an average of 1.5 1011 m away, at the rate of 1.4 103 W/m^2 of area ...
Exercises 91 A photon of energy Eis scattered by a particle of rest energy E 0. Find the maximum kinetic energy of the recoilin ...
92 CHAPTER 3 Wave Properties of Particles In a scanning electron microscope, an electron beam that scans a specimen causes secon ...
L ooking back, it may seem odd that two decades passed between the 1905 discovery of the particle properties of waves and the 19 ...
The greater the particle’s momentum, the shorter its wavelength. In Eq. (3.2) is the relativistic factor As in the case of e ...
Wave Properties of Particles 95 The corresponding kinetic energy is KE E E 0 (1.5550.938) GeV 0.617 GeV 617 MeV De Broglie ...
The wave function itself, however, has no direct physical significance. There is a simple reason why cannot by interpreted in te ...
If we call the de Broglie wave velocity p, we can apply the usual formula p to find p. The wavelength is simply the de Br ...
where Ais the amplitude of the vibrations (that is, their maximum displacement on either side of the xaxis) and their frequency ...
2 (3.7) k (3.8) The unit of is the radian per second and that of kis the radian per meter. An- gular frequency gets its ...
It is not hard to find the velocity gwith which a wave group travels. Let us sup- pose that the wave group arises from the comb ...
Equation (3.10) represents a wave of angular frequency and wave number k that has superimposed upon it a modulation of angular ...
Electron Microscopes T he wave nature of moving electrons is the basis of the electron microscope, the first of which was built ...
and so the group velocity turns out to be g (3.16) The de Broglie wave group associated with a moving body travels with the s ...
3.5 PARTICLE DIFFRACTION An experiment that confirms the existence of de Broglie waves A wave effect with no analog in the behav ...
support when it was realized that heating a block of nickel at high temperature causes the many small individual crystals of whi ...
3.6 PARTICLE IN A BOX Why the energy of a trapped particle is quantized The wave nature of a moving particle leads to some remar ...
«
1
2
3
4
5
6
7
8
9
10
»
Free download pdf