The Miller indices h, k, and l of parallel planes in a BCC lattice sho – McqOptions

MCQOPTIONS

1.	The Miller indices h, k, and l of parallel planes in a BCC lattice should satisfy which of the following X-ray diffraction reflection rules?
A.	h + k + l should be even
B.	h, k, and l should all be either even or odd
C.	h, k, and l should form Pythagoras triplet
D.	all planes allow reflections
Answer» B. h, k, and l should all be either even or odd

Discussion

No Comment Found

Related MCQs

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:
In Bragg’s equation [nλ = 2.d.sinθ], θ is the angle between:
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.
What should be the value of X?
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 __________