Question:
Consider a binary star system of star A and star B with masses $\mathrm{m}_{\mathrm{A}}$ and $\mathrm{m}_{\mathrm{B}}$ revolving in a circular orbit of radii $r_{A}$ and $r_{B}$, respectively. If $T_{A}$ and $T_{B}$ are the time period of star $A$ and star $B$, respectively, then:
Correct Option: , 2
Solution:
$\mathrm{T}_{\mathrm{A}}=\mathrm{T}_{\mathrm{B}}\left(\right.$ since $\left.\omega_{\mathrm{A}}=\omega_{\mathrm{B}}\right)$