Multiple Choice
A light source at a distance of 1 meter that emits 50 watts of visible radiation has the same _____________ as a source emitting 200 watts and is located ____________.
A) luminosity; 2 meters away
B) luminosity; 4 meters away
C) apparent brightness; 2 meters away
D) apparent brightness; 4 meters away
Correct Answer:
Verified
Correct Answer:
Verified
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