Question: Glow - in - the - dark materials that continue to emit light for a time after the illumination that excited their atoms has been

"Glow-in-the-dark" materials that continue to emit light for a time after the illumination that excited their atoms has been turned off are called
fluorescent.
phosphorescent.
spectra.
incandescent.
"Glow - in - the - dark" materials that continue

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