Solid State Question 276

Question: Edge length of a cube is 400 pm. Its body diagonal would be

Options:

A) 500 pm

B) 566 pm

C) 600 pm

D) 693 pm

Show Answer

Answer:

Correct Answer: D

Solution:

[d] Body diagonal [d] of a cubic crystal of edge length [a] is given by, $ d=a\sqrt{3} $ putting a = 400 pm, we get $ d=\sqrt{3}\times 400 pm = 692.8 pm\approx 693 pm. $



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