23. Calculate the lengths of intercepts made by planes of Miller indices (111) and (123) in BaCl, crystał with primitive translation vectors a = intercept 7.15Å along z-axis. 6.69Å, b = 10.86Å and c = 7.15Å, if both the planes cut an %3D Ans. (i) 4 = 6.69Å, 12 = 10.86Å, l3 = 7.15Å and (ii) 4 = 20.07Å, ½ = 16.29Å, I3 = 7.15Å %3D %3D

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