Chemistry · Solid State
The first-order diffraction from the (110) plane of a KCl crystal is observed using X-rays of wavelength 150 pm. If the edge length of the cubic unit cell is 305 pm, what is the glancing angle (θ)? [Given: sin(20.35°) = 0.3478, sin(38.35°) = 0.6205, sin(40.35°) = 0.6475, sin(18.35°) = 0.3148]
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 118.35°
- 240.35°
- 320.35°✓
- 438.35°
Correct answer
20.35°
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