An electron is in an infinite square well (a box) that is 2.0 nm wide.The electron makes a transition from the 
to the 
state,what is the wavelength of the emitted photon? 
,mel = 9.11 × 10-31 kg,1 eV = 1.60 × 10-19)
Definitions:
Naming Speed
The rapidity with which a person can recite names of objects, colors, letters, or numbers, a measure often used in cognitive and educational assessments.
Mainstreaming
The practice of placing students with disabilities into regular educational settings, aiming for inclusion and equal access to learning opportunities.
Mainstreaming
The practice of including students with special educational needs in regular educational settings.
Self-fulfilling Prophecy
A belief or expectation that indirectly or directly causes itself to become true, due to positive feedback between belief and behavior.
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