Maharashtra State Service Pre 2024Medium
Q.Which of the following sentence is wrong ? (I) Atomic nucleus is made up of protons and neutrons. (II) Proton has a positive charge. (III) Electron has a negative charge. (IV) Neutron has a positive charge.
a
(III) and (II)
b
(II) and (I)
c
Only (I)
d
Only (IV)
Correct Answer: Option D
The correct solution involves applying the fundamental concept to derive the final value step by step...