Question
Chemistry Question on Inorganic chemistry
The first order diffraction from (110) plane of KCl observed using X-ray of wavelength 150 pm and edge length of unit cell is 305 pm, then glancing angle is equal to -
[sin 20.35° = 0.3478
sin 38.35° = 0.6205
sin 40.35° = 0.6475
sin 18.35° = 0.3148]
A
38.35°
B
20.35°
C
40.35°
D
18.35°
Answer
20.35°
Explanation
Solution
The correct option is(B):20.35°.