SATHEE: Semiconductor Electronics Materials Devices and Simple Circuits

Semiconductor Electronics Materials Devices and Simple Circuits - Result Question 23

23. Sodium has body centred packing. Distance between two nearest atoms is $3.7 \AA$ . The lattice parameter is

(a) $4.3 \AA$

(b) $3.0 \AA$

(d) $6.8 \AA$

[2009]

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Answer:

Correct Answer: 23. (a)

Solution:

(a) $d = \frac{\sqrt{3}}{2} a$

$3.7 = \frac{\sqrt{3}}{2} a$

$a = \frac{2 \times 3.7}{\sqrt{3}} = 4.3 \AA$

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Semiconductor Electronics Materials Devices and Simple Circuits - Result Question 23

23. Sodium has body centred packing. Distance between two nearest atoms is 3.7\AA. The lattice parameter is

Answer:

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23. Sodium has body centred packing. Distance between two nearest atoms is $3.7 \AA$ . The lattice parameter is