(2.a) What energy or wavelength must they have if X-rays are to be used in diffraction experiments for the purpose of characterizing crystal structure? Explain. (2.b) Why is Drude theory important for the metals? Explain this question in terms of the assumptions of Drude theory. (2.c) What characteristics must be the crystal structure of a solid have in order for optic modes to exist? You can use schematic drawing in your answers with your explanations. (2.d) Which of the following types of order is present in a crystalline solid? (a) short range order (b) long range order or (c) both short- and long-range order?
Compton effect
The incoming photons' energy must be in the range of an X-ray frequency to generate the Compton effect. The electron does not lose enough energy that reduces the wavelength of scattered photons towards the visible spectrum. As a result, with visible lights, the Compton effect is missing.
Recoil Velocity
The amount of backward thrust or force experienced by a person when he/she shoots a gun in the forward direction is called recoil velocity. This phenomenon always follows the law of conservation of linear momentum.
. (2.a) What energy or wavelength must they have if X-rays are to be used in diffraction
experiments for the purpose of characterizing crystal structure? Explain.
(2.b) Why is Drude theory important for the metals? Explain this question in terms of
the assumptions of Drude theory.
(2.c) What characteristics must be the crystal structure of a solid have in order for optic
modes to exist? You can use schematic drawing in your answers with your explanations.
(2.d) Which of the following types of order is present in a crystalline solid? (a) short
range order (b) long range order or (c) both short- and long-range order?
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