An Atom in Its Ground State Absorbs a Single Photon

question 57

Multiple Choice

An atom in its ground state absorbs a single photon of light and then relaxes back to the ground state by emitting an infrared photon (1,200 nm) followed by an orange photon (600 nm) . What is the wavelength of the photon that was absorbed initially?

• A) 600 nm
• B) 1,200 nm
• C) 1,800 nm
• D) 900 nm
• E) 400 nm

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Definitions:

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Prisoner's Dilemma

A hypothetical game in game theory that demonstrates why two individuals might not cooperate, even if it appears that it is in their best interest to do so.

Diffusion of Responsibility

The tendency for individuals to feel less accountable for their actions or inaction when others are present, often leading to reduced help or intervention.

Cognitive Dissonance

The mental discomfort experienced by a person who holds two or more contradictory beliefs, ideas, or values at the same time.