The radius of inner most orbit of hydrogen atom is 5.3×10^-11 m. What is the radius of third allowed orbit of hydrogen atom?

NEET UG 2023 · Physics · Question 36

NEET 2023 Physics, question 36

Question 36 of the NEET 2023 paper (code G6) is a Physics question from Atoms. Its idea, Orbit Radius Calculation, was asked twice, in 2023 and 2026, across NEET 2017–2026. The NTA final answer key gives option 1.

Updated 2026-10-08

Q36 · Physics

5.3\times10^{-11}

1 4.77 Å Official answer 2 0.53 Å 3 1.06 Å 4 1.59 Å

Official answer: option 1 · NTA final answer key

Same idea

Orbit Radius Calculation, in other papers

NEET asked this idea twice, in 2023 and 2026. The other question below.

\sqrt{25.6}\times10^5

Orbit Radius Calculation: every question and how it was framed

The chapter

Atoms in ten years of NEET

13 questions from 2017–2026, asked in 9 of 10 papers, about 1.3 a paper. Bohr's Atomic Model alone had 13.

Chapter analysis Study this chapter Practise this chapter

Orbit Radius Calculation, in other papers

Atoms in ten years of NEET

Atoms: questions per paper