Home Physics Atomic and Nuclear Physics Karnataka - CET Previous Year Question An electron is revolving in its Bohr orbit h…
Physics Atomic and Nuclear Physics Karnataka - CET Previous Year Question MCQ (Single Correct)

An electron is revolving in its Bohr orbit having Bohr radius of , then the radius of third orbit is

A
B

C
D

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The correct answer is:
A

According to Bohr's model, radius of orbital is

where is the orbit number and is the Bohr radius

For third orbit,

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