Free MCQsLearn App Download - SAT Physics Preparation MCQ 143 PDF Download
MCQ: A filament bulb rated at 30 W, coverts 15% of its electrical energy supply into light energy. Calculate the quantity of light energy emitted in 10 minutes.
- 1.8 kJ
- 1.2 kJ
- 1.5 kJ
- 2.4 kJ
A
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