Q.

In uniform circular motion of a particle
a) Angular velocity remains constant
b) Linear velocity remains constant
c) Angular acceleration is zero
d) Centripetal acceleration is constant

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a

a,b,c and d are correct

b

only a and c are correct

c

a,b and c are correct 

d

a, c and d are correct

answer is A.

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Detailed Solution

In uniform circular motion angular  velocity, speed are constant. Angular  acceleration is zero. 
Linear velocity and linear acceleration  have constant magnitude but  changes in  direction. 

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In uniform circular motion of a particlea) Angular velocity remains constantb) Linear velocity remains constantc) Angular acceleration is zerod) Centripetal acceleration is constant