672PhysicsMedium
Electron cannot exist in the nucleus it is confirmed by observing that______________?
AThe velocity of electron must be very high according to uncertainty principle
BNo antiparticle of electron is present
CIts size as compare to proton and neutron is very small
DIt does emit radiation
Correct answer
A. The velocity of electron must be very high according to uncertainty principle
Explanation
The velocity of electron must be very high according to uncertainty principle is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.