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Light and Illumination
Questions (2)
How long will a 60W light bulb run for, if supplied with 1kJ of energy?
2 answers
asked by
jajaab
119 views
Last night, Greg was reading a book. At first, he was sitting next to the lamp, which was very bright. Greg could see all of the
1 answer
asked by
hi
472 views
Subcategories (1)
Effects of Distance on Brightness
Parent Categories (2)
Energy and Power
Science/Energy
