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प्रश्न
Explain degradation of energy by taking two examples of your daily life.
उत्तर
Examples:
1. When we cook food over a fire, the major part of heat energy from the fuel is radiated out in the atmosphere. This radiated energy is of no use to us.
2. When electrical appliances are run by electricity, the major part of electrical energy is wasted in the form of heat energy.
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