In carbon monoxide molecule, the carbon and the oxygen atoms are separated by a distance 1.12 × $10^{−10}$m. The distance of the centre of mass, from the carbon atom is

In carbon monoxide molecule, the carbon and the oxygen atoms are separated by a distance 1.12 × 10−10 m. The distance of the centre of mass, from the carbon atom is

(a) $0.64 × 10^{−10} m$

(b) $0.56 × 10^{−10} m$

(c) $0.51 × 10^{−10} m$

(d) $0.48 × 10^{−10} m$

[NEET 1997]

\[M\; r_{cm}=m_1 \; r_1 + m_2 \; r_2\]

\[\left (12u+16u \right) \; x = 12u \; (0) + 16u \left (1.12\times 10^{-10}\right)\]

\[x=0.64 \times 10^{-10}m\]