Q4 / 180 · KCET 2018 · Chemistry

Edge length of a cube is \( 300 \mathrm{pm} \). Its body diagonal would be

A
\( 600 \mathrm{pm} \)
B
\( 423 \mathrm{pm} \)
Correct answer
C
\( 519.6 \mathrm{pm} \)
D
\( 450.5 \mathrm{pm} \)

Solution

Length of body diagonal $=\sqrt{3} \times$ edge length of the cube $=\sqrt{3} \times 300$ $=519.6 \mathrm{pm}$

Hence, the correct answer is option: 'C'.

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