JEE Main 202324 Jan, Evening shiftPhysicsEasyAtoms and Nuclei183× since 2002
A photon is emitted in transition from n = 4 to n = 1 level in hydrogen atom. The corresponding wavelength for this transition is (given, h = 4 10 eVs) :
JEE Main 2023 · 24 Jan, Evening shift · Q6018