Question

Two particles $A$ and $B$ are moving in uniform circular motion in concentric circles of radii $ra$ and $rb$ with speed $\upsilon_A$and $\upsilon_B$respectively. Their time period of rotation is the same. The ratio of angular speed of $A$ to that of $B$will be:

• A. $r_A:r_B$
• B. $\upsilon_A:\upsilon_B$
• C. $r_B:r_A$
• D. $1:1$

Answer 1

Answer: (D)

$1:1$

Answer 2

The correct option is (D) :$1:1$