Answer & explanation
Correct answer: option 1
$\text{The Electric Field is only due to side opposite to the side that is removed}$
$\Rightarrow E = \frac{Q}{12\sqrt 3 \pi \epsilon_0 a^2}$
Correct answer: option 1
$\text{The Electric Field is only due to side opposite to the side that is removed}$
$\Rightarrow E = \frac{Q}{12\sqrt 3 \pi \epsilon_0 a^2}$