AIIMS 2019 Physics Bohr's Model MCQ Question with Solution

If energy of electron in ground state i $s^{-13}$ .6 then find out speed of electron in fourth orbit of H⁻atom

A

5.45×10⁶ m/s

B

5.45×10⁵ m/s

C

5.45×10⁴ m/s

D

4.45×10⁶ m/s

Option

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