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Physics · PYQ NEET UG 2019(1)

हिन्दी

Two particles A and B are moving in uniform circular motion in concentric circles of radii \( r_A \) and \( r_B \) with speed \( v_A \) and \( v_B \) respectively. Their time period of rotation is the same. The ratio of angular speed of A to that of B will be:

  1. \( r_B : r_A \)
  2. 1 : 1
  3. \( r_A : r_B \)
  4. \( v_A : v_B \)

Correct answer · Option 2

1 : 1

Explanation

Angular speed is given by \( \omega = \frac{2\pi}{T} \). Since the time period T is the same for both particles, the ratio of their angular speeds is \( 1 : 1 \).
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