For a 2- dimensional honeycomb lattice as shown in the figure, the first Bragg spot occurs for the grazing angle 0,, while sweeping the angle from 0°. The next Bragg spot is obtained at 6, given by (a) sin-"(3sin e, ) (b) sin- sin 0, 120 120° В 120° V3 (c) sin - sin O, (d) sin"(/3 sin 0,)

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For a 2- dimensional honeycomb lattice as shown in the figure, the first Bragg spot
occurs for the grazing angle 0,, while sweeping the angle from 0°. The next Bragg spot is
obtained at 6, given by
(a) sin(3sin 0,)
sin 0,
120 120°
-1
(b) sin
В
120°
(c) sin
-sin 0
(d) sin-(/3 sin e,)
2
Transcribed Image Text:For a 2- dimensional honeycomb lattice as shown in the figure, the first Bragg spot occurs for the grazing angle 0,, while sweeping the angle from 0°. The next Bragg spot is obtained at 6, given by (a) sin(3sin 0,) sin 0, 120 120° -1 (b) sin В 120° (c) sin -sin 0 (d) sin-(/3 sin e,) 2
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