A hydrogen atom has its electron initially in the second Bohr orbit. The electron directly returns to the ground state and emits one photon. Take hc = 1240 eV·nm. If the wavelength is approximately N nm, find N to the nearest integer.

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

JEE MainsNEETJEE Advanced

A hydrogen atom has its electron initially in the second Bohr orbit. The electron directly returns to the ground state and emits one photon. Take hc = 1240 eV·nm. If the wavelength is approximately N nm, find N to the nearest integer.