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Question

In the Bragg's equation for diffraction of X-rays, $$n$$ represents for


A
The number of mole
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B
Quantum number
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C
The order of reflection
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D
Avogadro's number
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Solution

The correct option is C The order of reflection
W.L. Bragg and W.H. Bragg worked out and gave a mathematical relation to determine inter-atomic distance from X-ray diffraction pattern.

Braggs equation is $$n\lambda = 2d \sin \theta$$

where $$n$$ is an integer i.e. $$1, 2, 3, 4$$ etc. which represents order of reflection.

Hence, option C is correct.

Physics

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