Use Solar Energy - Save Electricity — Flashcards
Telangana Board · Class 10 · Environmental Education
28 flashcards for Use Solar Energy - Save Electricity (Telangana Board Class 10 Environmental Education) to test yourself on key terms and facts.
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What is solar energy?
Answer
Solar energy is the best and evergreen energy resource. It is a never reduced and always available resource, so it is a good substitute for conventional energy resources.
Why is solar energy called an evergreen energy resource?
Answer
It is called an evergreen energy resource because it is always available and does not get reduced. Sunlight is a continuous natural source of energy.
Where is solar energy widely used?
Answer
Solar energy is widely utilised in agricultural fields, domestic purposes, offices, vehicles, and industries.
Which Indian state stands in first place in utilizing solar energy?
Answer
Rajasthan stands in first place in the country in utilizing solar energy.
Which states stand in 2nd and 3rd places in utilizing solar energy in India?
Answer
Gujarat stands in 2nd place and Karnataka stands in 3rd place in utilizing solar energy in India.
What is the present status of solar energy use in the state mentioned in the chapter context?
Answer
Solar energy utilization is at a preliminary stage only.
What should be done with hot food before putting it in the refrigerator?
Answer
Hot foods should be allowed to cool before being placed in the refrigerator. This saves energy because the refrigerator does not need extra power to cool very hot food.
Why should the refrigerator door not be kept open longer than needed?
Answer
Keeping the refrigerator door open longer than needed allows cold air to escape and wastes energy. Closing it quickly helps save electricity.
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