Question: What determines whether an object is a net absorber or a net emitter of radiant energy at a given time? Absorption and emission are the

What determines whether an object is a net absorber or a net emitter of radiant energy at a given time? Absorption and emission are the same for an object, so it is neither a net absorber nor a net emitter. It is determined by the temperature of the object relative to its surroundings. Hotter objects are net emitters. Hot objects are net emitters regardless of the temperature of the surroundings. It is determined by the temperature of the object relative to its surroundings. Hotter objects are net absorbers

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