ESS
Grade-8
Easy
Question
Solar collector is ____________.
- A system to collect rainwater
- A system to absorb heat by solar energy
- A system to collect electricity
- An instrument to reflect sunlight
Hint:
Also called solar panel.
The correct answer is: A system to absorb heat by solar energy
The correct option is b)A system to absorb heat by solar energy.
A solar collector absorbs sunlight and collects heat. The term "solar panel" usually refers to solar water heaters, but can also refer to large power generation systems such as solar parabolic troughs and solar towers, or non-water heating devices such as solar hot air heaters.
Solar collectors can be non-concentrating or concentrating.
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