Question

when you will say a body is in (1) uniformed acceleration (2) non uniformed acceleration

Answer 1

When a body travels with equal velocity in equal interval of time then that body is said to be in uniformed acceleration.
When a body does not travels with equal velocity in equal interval of time then that body is said to be in non unifored acceleration.

Answer 2

Uniform acceleration and Non - Uniform acceleration.
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Uniform acceleration.
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When the rate of change of velocity is uniform ggendre acceleration is called uniform acceleration.

That is the changes in velocity take place in fixed interval of time.

Non - Uniform acceleration
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When the rate of change of velocity is not uniformed in the body is said to be have in non - information acceleration.

That is a change in velocity is does not take place in any fixed interval of time.