First slide

X-rays

Question

Statement I: X-rays cannot be diffracted by means of grating.
Statement II: X-rays does not obey Bragg's law.

Moderate

A

Both statements I and II are correct
B

Statement-I is correct and statement-II is incorrect
C

Statement-I is incorrect and statement-II is correct
D

Both statements I and II are incorrect

Solution

Wavelength of X-rays is very small $(\approx \overset{o}{A})$ . Hence they are not diffracted by means of ordinary grating. X-rays follows the Bragg's law.

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