Physics - Modern Physics Question with Solution | TestHub
PhysicsModern PhysicsAtomic structureMedium2 minQB
PhysicsMediumsingle choice
A hydrogen atom emits blue light when it changes from the energy level to the level. Which colour of light would the atom emit when it changes from the level to the level?
Options:
Answer:
D
Solution:
The 5 → 2 gap is larger than the 4 → 2 gap, so the photon has higher energy (shorter wavelength) than blue: violet.
Subject:PhysicsTopic:Modern PhysicsSubtopic:Atomic structure
⏱ 2mℹ️ Source: QB
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