K-alpha x-rays have shorter wavelengths than K-beta x-rays? – McqOptions

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1.	K-alpha x-rays have shorter wavelengths than K-beta x-rays?
A.	True
B.	FalseView answer
Answer» C.

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K-alpha x-rays have shorter wavelengths than K-beta x-rays?
In the powder method of XRD, the intensities of various bright lines are compared to determine the crystal structure. For simple cubic lattice the ratio of intensities at first two maxima are:
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Laue’s model pictures XRD as reflection from parallel crystalline planes. Reflection is different from refraction as:
Minimum interplanar spacing required for Bragg’s diffraction is:
Bragg’s law is not a sufficient condition for diffraction by crystalline solids.
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If X-ray of wavelength 100 Å is incident on an atom at an angle of 90°, then what should be the value of d for first-order sepctrum?
If the angle of incidence is 30°, then the wavelength for first-order spectrum is equal to __________
Bragg’s law was proposed in __________