A girl does not have night lamp in her room. She covered the bulb with towel in the night to get dim light. Has she taken right step ?give reasons for your answer
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no I didn't think so it's not possible
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No, the step taken by the Paheli was not right. The electric bulb wastes electrical energy in the form of heat. As she covered the bulb of her room with a towel in the night to get dim light, is a total wastage of energy.
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