Lakhmir Singh & Manjit Kaur - Physics

Book: Lakhmir Singh & Manjit Kaur - Physics

Chapter: 3. Sources of Energy

Subject: Physics - Class 10th

Q. No. 12 of Multiple Choice Questions (MCQs)-Pg-161

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12

An energy efficient device for producing light is :

CFLs use much less energy than incandescent lamps

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