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 atom = 1.6 × 10⁻²⁷ kg)

Physics · Atomic Structure and X-rays · atomic structure and bohr atomic model

JEE Mains 2024 29 Jan Morning Shift

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 atom = 1.6 × 10⁻²⁷ kg)