NEET Solved Paper 2019 Question 30
Question: 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: [NEET 5-5-2019]
Options:
A) $ r _{B}:r _{A} $
B) 1 : 1
C) $ r _{A}:r _{B} $
D) $ v _{A}:v _{B} $
Show Answer
Answer:
Correct Answer: B
Solution:
- $ \omega =\frac{2\pi }{T} $ T $ \to $ same $ {\omega_1}={\omega_2} $ 1 : 1
