Question

can the X-rays of wavelength greater than 2d be diffracted from the crystal?
a)yes
b)no​

Answer 1

Answer:

yes

Explanation:

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Answer 2

ANSWER:

(A) YES. The X- rays of wavelength greater than 2d can be diffracted from the crystal.

Reason for the answer:

X-rays are electromagnetic radiation with wavelengths between about 0.02 A and 100 A (1A = 10-10 meters). The wavelength of X-rays is on an atomic level and is much smaller than that of visible light (3000 to 8000 A). Since X-rays have a smaller wavelength than visible light, they have higher energy and are more penetrative. Its ability to penetrate matter, however, is dependent on density of the matter. Therefore, X-rays are useful in exploring structures of atoms.

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