Find the velocity of electron.if the radius of Bohr orbit is 2.116 amstrom
Answers
Answered by
8
Answer:
here's the answer
From Bohr's postulate, mvr=
2π
nh
... (1) where m= mass of electron, v= orbital velocity of electrons , r= radius of the orbit and h= Planck's constant
de Broglie wavelength, λ=
p
h
=
mv
h
....(2)
From (1) and (2), λ=
n
2πr
=
2
2×3.14×2.116
=6.64A
o
Similar questions