The lower energy level contains more atoms than upper level under the conditions of ________________

Related MCQs

• The frequency of the absorbed or emitted radiation is related to difference in energy E between the higher energy state E2 and the lower energy state E1. State what h stands for in the given equation?
• Constructive interference occurs when total phase change after two successive reflections at upper and lower interfaces is equal to? (Where m is integer)
• A device which converts electrical energy in the form of a current into optical energy is called as
• The energy-level occupation for a semiconductor in thermal equilibrium is described by the
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• For lower bandwidth applications,
• In Fabry-perot laser, the lower threshold is obtained by
• Buried hetero-junction (BH) device is a type of _____________ laser where the active volume is buried in a material of wider band-gap and lower refractive index.
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