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

Question

Statement I: X -rays cannot be diffracted by means of grating. Statement II: X -rays does not obey Bragg's law. (A) If both statements are true and statement II is the correct explanation of statement I (B) If both statements are true but statement II is not the correct explanation of statement I (C) If statement I is true but statement II is false (D) If both statements are false

Tardigrade Admin · Accepted Answer

Wavelength of X -rays is very small (≈ mathringA) . Hence they are not diffracted by means of ordinary grating. X -rays follows the Bragg's law.

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

If both statements are true and statement II is the correct explanation of statement I

If both statements are true but statement II is not the correct explanation of statement I

If statement I is true but statement II is false

If both statements are false

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

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