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Electrons accelerated through 54 V strike a nickel crystal whose interplanar spacing…
PHYSICS · Single correct · CBSE · Physics · Atoms · Atoms
Problem
Electrons accelerated through 54 V strike a nickel crystal whose interplanar spacing is 0.091 nm. For the first-order (n = 1) maximum, the glancing angle θ with the crystal plane is nearest to (a)
45
∘
45^{\circ}
4
5
∘
(b)
67
∘
67^{\circ}
6
7
∘
(c)
30
∘
30^{\circ}
3
0
∘
(d)
80
∘
80^{\circ}
8
0
∘
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