Correct answer
D. Zero
Explanation
Zero is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
A million electron are added to a pith ball. Its charge is________?
The purpose of flywheel in the engines is________________?
The equation θ = 1.22 λ/D was devised by_______________?
A piece of copper and a piece of germanium are cooled from the room temperature down to 77 K.
The radius of geostationary orbit from the centre of the earth is nearly______________?
The power of a concave lens is_______________?