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Conventional Sources of Energy

Identify the ...

Question

Identify the source of energy for solar panels.

A

Water

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B

Sunlight

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C

Waste material

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D

Fuel

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Solution

The correct option is B Sunlight
Solar panels charge batteries in the day time with the help of the Sun and use the saved energy to light up electric appliances.

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a. Energy transformation in solar thermal electric energy generation.
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Q. While driving in the countryside, Kapil sees some panels attached on the street lights along the road. He finds out that these were photovoltaic solar panels which trap solar energy and converted it to electrical energy to make the streetlights function. He liked this idea so much that he got similar solar panels and installed at his residence also.
Answer the following questions based on the above information:
a). In what respects is the installation of solar panels useful to Kapil?
b). Which values is Kapil promoting by installing solar panels?

c). How can Kapil promote similar values to others in the neighbourhood?

Q. State whether the given statement is True or False :
Solar panels converts light energy to mechanical energy.

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