Advertisements
Advertisements
प्रश्न
Can you tell?
Which forms of energy from the sun are used in solar energy devices?
Advertisements
उत्तर
Solar energy devices use two primary forms of energy from the sun:
-
Light Energy: Utilized in solar photovoltaic (PV) cells to convert sunlight directly into electricity.
-
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 a renewable source of energy? Give two examples of renewable sources of energy.
Classify the following
Coal, Wind, Tides, Petroleum,Wood, Natural gas
What is the basis of above classification?
Name the component which is found in natural gas well as in biogas.
Which fossil fuel formed by the buried remains of large land plants?
What should be the minimum wind speed for the satisfactory working of a wind-powered electric generator?
How long are the energy resources of the earth like coal, petroleum and natural gas expected to last?
Fill in the blank
_______is the coal with the highest percentage of coal.
Air is a natural resource and cannot be exhausted by human activities. It is known as inexhaustible natural resource. Which of the following is another inexhaustible natural resource?
Look at the figure where petroleum and natural gas deposits are shown. Why do we find oil layer above water layer?
Match the items given in Column I with the items of Column II.
| Column I | Column II |
| (a) Used for road surfacing | (i) Black gold |
| (b) Natural gas | (ii) Vaseline and candles |
| (c) Petroleum | (iii) Bitumen |
| (d) Paraffin wax | (iv) CNG |
