Atomic Recoil and Reduced Mass

JEE Main Physics · Atoms and Nuclei · 2 questions, latest first

• 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…20244 April, Shift 1 · Q60
• When a hydrogen atom going from n=2 to n=1 emits a photon, its recoil speed is x/5 m / s. Where x= ____. (Use, mass of hydrogen…202429 January, Shift 1 · Q60