Question:
A first order reflection from the (111) planes of a cubic crystal was observed at a glancing angle of \(11.5\degree\) when X-rays of wavelength 151 pm were used. The length of the side of the crystal is (Given sin 11.5°=0,199)
A first order reflection from the (111) planes of a cubic crystal was observed at a glancing angle of \(11.5\degree\) when X-rays of wavelength 151 pm were used. The length of the side of the crystal is (Given sin 11.5°=0,199)
Updated On: Mar 21, 2024
- 657 pm
- 379 pm
- 786 pm
- 752 pm
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The Correct Option is A
Solution and Explanation
The correct answer is (A) :657 pm
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