Physics - Modern Physics Question with Solution | TestHub
PhysicsModern PhysicsAtomic structureMedium2 minQB
PhysicsMediumsingle choice
When light from a hydrogen discharge tube is examined, it is found that each spectral line is spread over a small range of wavelengths. The reason for this is most likely to be:
Options:
Answer:
A
Solution:
The gas atoms have thermal motion, so the emitted light is Doppler-shifted by different amounts for different atoms, spreading each line over a small wavelength range.
Subject:PhysicsTopic:Modern PhysicsSubtopic:Atomic structure
⏱ 2mℹ️ Source: QB
Doubts & Discussion
Loading discussions...
