(1) In uniform circular motion, tangential acceleration is zero.
(2) In uniform circular motion, velocity is constant.

Both 1 and 2 are true and 2 is correct explanation of 1

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Both 1 and 2 are true and 2 is not correct explanation of 1

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1 is true and 2 is false

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1 is false and 2 is true

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Solution

The correct option is D 1 is true and 2 is false
In uniform circular motion tangential acceleration is zero because angular velocity of motion is constant.
And the speed is uniform. But velocity of the particle in uniform circular motion keeps on changing.

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