The reflections allowed in DC crystal
A. when h, k and l are all odd, or when all are even, (h + k + l) should be divisible by four
B. for all values of (h2 + k2 + l2)
C. for h + k = l
D. when h, k and l are all odd or all even
Answer: Option A
Related Questions on Introduction to Metallurgy
Which of the following are not commercially manufactured by powder metallurgy
A. Aircraft brake pads
B. Self-lubricating bearings
C. Tungsten carbide based cutting tools
D. Turbine blades
A. 10 degrees
B. 21 degrees
C. 30 degrees
D. 50 degrees
Which crystal system does not have all axial angles at 90 degrees?
A. Tetragonal
B. rhombohedral
C. orthorhombic
D. cubic
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