CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

How many times does light travel faster in vacuum than an electron in Bohr first orbit of hydrogen atom?

A
13.7 times
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
67 times
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
137 times
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
97 times
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is D 137 times
Velocity of electron in nth orbit = V0zn , according to Bohr model.
where V0=2.18×106m/s
For hydrogen's first orbit , z=1,n=1
Speed of light =3×108m/s
Let 3×108=x(2.16×106)
x=137
Speed of light is 137 times faster.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Wave Nature of Light
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon