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Stopping Potential Revisited

In a hydrogen...

Question

In a hydrogen-like sample, two different types of photons $A$ and $B$ are produced by an electronic transition. Photon $B$ has it's wavelength in infrared region, if photon $A$ has more energy than $B$ , then the photon $A$ may belong to the region:

A

ultraviolet

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B

visible

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C

infrared

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D

none of the above

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Solution

The correct options are
A ultraviolet
B visible
C infrared
Since $B$ is in the infrared region and $A$ has more energy than $B$ , hence it will have lesser wavelength i.e ultra violet, visible or infrared region.

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