Physics - Modern Physics Question with Solution | TestHub
PhysicsModern PhysicsPhotoelectric effectMedium2 minQB
PhysicsMediumsingle choice
A photon of energy 10.5eV is allowed to interact with a hydrogen atom in its ground state.
Options:
Answer:
C
Solution:
Hydrogen excitation energies are discrete The first two are 10.2 eV and 12.09 eV A 10.5 eV photon matches neither and is below ionization energy It cannot excite the atom in this model
Stream:JEESubject:PhysicsTopic:Modern PhysicsSubtopic:Photoelectric effect
⏱ 2mℹ️ Source: QB
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