A source emits 45 joules of energy in 15 s. What is the radiant flux of the source?
Total energy emitted (E) = 45 J
Time (t) = 15 s
Radiant flux of the source is given by,
`"Radiant Flux"="Total energy emitted"/"Time"`
So, the radiant flux of the source is 3 W.
Concept: Light Process and Photometry
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