Sodium has body centred packing. Distance between two nearest atoms is 3.7 Å.

Sodium Has Body Centred Packing Distance Between Two Nearest Atoms Physics Question

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

Options

(a) 4.3 Å
(b) 3.0 Å
(c) 8.6 Å
(d) 6.8 Å

Correct Answer:

4.3 Å

Explanation:

d = √3/2 a 3.7 = √3/2 a
a = 2 x 3.7 / √3 = 4.3 Å

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Topics: Electronic Devices (124)
Subject: Physics (2479)

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