Question

The displacement of a body at a particular second $n$ is given by the expression $S_{n t h}=u+\frac{a}{2}(2 n-1)$. The dimensional formula of $S_{n t h}$ in this equation is

• A. $\left[ M ^1 L ^0 T ^1\right]$
• B. $\left[ M ^0 L ^1 T ^0\right]$
• C. $\left[ M ^0 L ^1 T ^{-1}\right]$
• D. $\left[ M ^0 L ^0 T ^0\right]$

Answer 1

Answer: (C)

Correct answer is (c) $\left[ M ^0 L ^1 T ^{-1}\right]$