1.

The velocity of a paritcle (v) at an instant t is given by `v=at+bt^(2)`. The dimesion of b isA. [L]B. `[LT^(-1)]`C. `[LT^(-2)]`D. `[LT^(-3)]`

Answer» Correct Answer - D
`v=at+bt^(2)`
`[v]=[bt^(2)]` or `[LT^(-1)]=[bT^(2)]` or `[b]=[LT^(-3)]`


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