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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
"The calorific value of cooking gas (LPG) is 50 kJ/g". What does it mean?
Write the full forms of CNG and LPG.
Which of the following is not produced by the burning of fossil fuels?
(a) nitrogen oxides
(b) sulphur oxides
(c) sodium oxides
(d) carbon oxides
Which of the following is ultimately not derived from the sun's energy (or solar energy)?
(a) wind energy
(b) nuclear energy
(c) biomass energy
(d) ocean thermal energy
Who is the odd one out?
Write about Renewable resources.
Choose the incorrect statement regarding wind power
What are the environmental consequences of using fossil fuels? Suggest the steps to minimise the pollution caused by various sources of energy including non-conventional sources of energy.
Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resource?
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?
