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In the Sommerfeld's modification of Bohr...

In the Sommerfeld's modification of Bohr's theory, the trajectory of an electron in a hydrogen atom is

A

A perfect ellipse

B

A closed ellipse like curve, narrower at the perihelion position and flatter at the aphelion position

C

A closed loop on a spherical surface

D

A rosette

Text Solution

Verified by Experts

The correct Answer is:
C
A closed loop on a spherical surface electron moves in a 3-d space, not in a 2d surface.
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