Question
Physics Question on Atoms
The velocity of an electron in the innermost orbit of an atom is :
A
highest
B
lowest
C
mean
D
zero
Answer
highest
Explanation
Solution
It is quite clear that the velocity of an electron in an orbit of an atom is inversely proportional to the radius of orbit therefore the velocity of electron in the innermost of an atom will be maximum.
So, the correct option is (A): highest.