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प्रश्न
Can you tell?
Which forms of energy from the sun are used in solar energy devices?
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उत्तर
Solar energy devices use two primary forms of energy from the sun:
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Light Energy: Utilized in solar photovoltaic (PV) cells to convert sunlight directly into electricity.
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Heat Energy: Harnessed in solar thermal devices, such as solar water heaters, solar cookers, and concentrated solar power (CSP) systems, to generate heat or electricity.
संबंधित प्रश्न
What is meant by conventional sources of energy? Write the names of two conventional sources of energy.
Write a short note on the pollution caused by burning fossil fuels.
Why is the leakage of LPG detected easily although it is odourless? State the steps to be taken in case its leakage is detected in the kitchen.
Name the clean fuel which can be obtained from cow-dung.
Fill in the blank
__________ are examples of renewable energy resources.
Can you tell?
What are the non-conventional energy resources?
Why is charcoal considered better fuel than wood?
Some natural resources are given below. Classify them into the exhaustible and inexhaustible natural resources.
| air, coal, natural gas, sunlight, petroleum, minerals, forests, oxygen |
Look at the figure where petroleum and natural gas deposits are shown. Why do we find oil layer above water layer?
Imagine that all the exhaustible natural resources are exhausted by human activities. Do you think survival of living beings would be possible? If yes, why? If not, why not?
