Can the change in the length of the candle be reversed? If we were to take some wax in a pan and heat it, can this change be reversed (Fig.)?
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Let it burn for some time. Now blow out the candle and measure its length again (Fig.). ... No, the change in the length of the candle cannot be reversed. Yes, on heating the wax in a pan, its change into liquid form can be reversed.
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Yes, on heating the wax in a pan, its change into liquid form can be reversed.
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