X-rays of wavelength 0.12nm are found to undergo second order reflection at a Bragg angle of 28⁰ from a lithium fluoride crystal. What is the inter-planar spacing of reflecting planes in the crystal?
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As d. sin theta= n . wavelength
d. sin28 = 2. 0.12 × 10^-9
d= 24× 10^-11/ sin 28
d. sin28 = 2. 0.12 × 10^-9
d= 24× 10^-11/ sin 28
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