X-rays are used for the study of crystal structure because...

X-rays are used for the study of crystal structure because 

(a) X-rays are completely absorbed by the crystal (b) the wavelength of X-ray is of the same order of magnitude in the inter-atomic spacing in crystals (c) the wavelength of X-rays is very small in comparison with the inter-atomic spacing in crystals (d) the crystals are completely transparent to X-rays
by

1 Answer

Answer :

the wavelength of X-ray is of the same order of magnitude in the inter atomic spacing in crystals 

by

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