Electric Charge & Coulomb's Law question from MHT CET 2019 (3 May, Shift 1)

Answer: (b)

1. $E = \dfrac{F}{q} = \dfrac{[MLT^{-2}]}{[AT]} = [M^1L^1T^{-3}A^{-1}]$, power of mass $= 1$.
2. $p = q\cdot 2l = [A^1T^1L^1]$, power of mass $= 0$.
3. So the answer is (b) $1, 0$.