A hydrogen atom changes its state from n=3 to n=2. Due to recoil, the percentage change in the wave length of emitted light is approximately 1 × 10⁻ⁿ. The value of n is _ _ _ _. [Given Rhc =13.6 ~eV, hc=1242 ~eV ~nm, h=6.6 × 10⁻³⁴ ~J ~s mass of the hydrogenatom =1.6 × 10⁻²⁷ ~kg ]

Atoms and Nuclei: JEE Main 2024 Physics question

JEE Main 2024 · 4 Apr, Morning shift · Q56

JEE Main 20244 Apr, Morning shiftPhysicsHardAtoms and Nuclei183× since 2002

A hydrogen atom changes its state from

n=3

n=2

. Due to recoil, the percentage change in the wave length of emitted light is approximately

1 \times 10^{-n}

. The value of

n

is _______. [Given Rhc

=13.6 \mathrm{~eV}, \mathrm{hc}=1242 \mathrm{~eV} \mathrm{~nm}, \mathrm{h}=6.6 \times 10^{-34} \mathrm{~J} \mathrm{~s}

mass of the hydrogenatom

=1.6 \times 10^{-27} \mathrm{~kg}

]

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2024 Atoms and Nuclei Question with Answer (4 Apr Morning shift, Q56) | JEE Arc