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प्रश्न
Answer the following question in about 30 words.
What are non-conventional sources of energy?
अति संक्षिप्त उत्तर
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उत्तर
Non-conventional energy sources are those that have recently been put to commercial use. They are generally renewable and non-polluting energy sources. They have a high initial installation cost, but their long-term operating costs are low, and they are also environmentally friendly. Eg, Solar energy, wind energy, tidal and wave energy, geothermal energy, and bioenergy.
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पाठ 5: Mineral and Energy Resources - Exercise [पृष्ठ ६५]
