Consider that an electron is revolving in an excited state of Hydrogen atom with velocity 2.56×10⁵ ms⁻¹. The radius of the orbit is xx×10⁻⁹ m. The value of x is: [Take the mass of electron to be 9×10⁻³¹ kg, charge of electron = 1.6×10⁻¹⁹ C and 1/4πε₀ = 9×10⁹ N m² C⁻²]
A
3
B
2
C
1
D
4

Question

Consider that an electron is revolving in an excited state of Hydrogen atom with velocity 2.56×10⁵ ms⁻¹. The radius of the orbit is xx×10⁻⁹ m. The value of x is: [Take the mass of electron to be 9×10⁻³¹ kg, charge of electron = 1.6×10⁻¹⁹ C and 1/4πε₀ = 9×10⁹ N m² C⁻²]

A

3

B

2

C

1

D

4

Accepted Answer

2

Answer

3

Answer

1

Answer

4

RE-NEET 2026 Physics Bohr Model MCQ Question

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