When an atom loses or gains a charge, it becomes
...When an atom loses or gains a charge, it becomes
an electron
an ion
a neutron
a proton
Correct answer is B
No explanation has been provided for this answer.
An object placed 10cm from a concave mirror of focal length 5cm would have its image ...
Which of the following is used in a nuclear reactor to slow down fast-moving neutrons? ...
Which of the following statements about wave is not correct? i. A wavefront is a line which conta...