Question

Define phosphorescence

Answer 1

light emitted by a substance without combustion or perceptible heat.

"the stones overhead gleamed with phosphorescence"

PHYSICS

the emission of radiation in a similar manner to fluorescence but on a longer timescale, so that emission continues after excitation ceases.

Answer 2

HEY MATE,LET ME EXPLAIN IT TO YOU IN MY OWN WORDINGS....:D

THE QUERY ASKED BY YOU BELONGS TO SUBJECT:PHYSICS.

PHOSPHORESCENCE IS THE LIGHT EMMITED BY A SUBSTANCE WITHOUT COMBUSTION OR PERCIPTIBLE HEAT.LET ME EXPLAIN IT TO YOU WITH AN EXAMPLE.

EX:-the stones overhead gleamed with phosphorescence.

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