Chemistry, 01.06.2021 18:00 Josephcastillo6403

A floodlight consumes 15.3 kJ of energy. It is found that it delivers only 3.9 kJ of useful light. What is the % efficiency of this floodlight?

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A floodlight consumes 15.3 kJ of energy. It is found that it delivers only 3.9 kJ of useful light. W...

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