Question

Edge length of a cube is 400 pm, its body diagonal would be

• A. 566 pm
• B. 600 pm
• C. 500 pm
• D. 693 pm

Answer 1

Answer: (D)

Length of body diagonal
$=a\sqrt{3}$
where $a=$ edge length $=400\sqrt{3}=692.82pm\approx 693pm$