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Samar shah
@samar-shah
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Joined: Jun 14, 2021
Last seen: Jul 17, 2023
Topics: 0 / Replies: 2321
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Answer to: How much solar energy will be received by 1 m^2 area in one hour if the solar constant be 1.4 kW/m^2?

Solar constant is 1.4 kW/m2 or 1.4 kJ/s/m2. Solar energy received by 1 m2 area in 1 s = 1.4 kJ Solar energy received by 1 m2 area in one hour (360...

4 years ago
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Answer to: Name some of the solar energy devices.

Solar water heater. Solar cooker. Solar cell.

4 years ago
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Answer to: Why is the copper tube of a solar water heater painted black from outside?

Copper tube of solar water heater is painted black because black colour is good absorber of heat.

4 years ago
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Answer to: Write one use of wind energy (a) in the past (b) at present.

Use of wind energy: (a) in the past - in flour mills (b) at present - for generating the electricity through wind-powered generators.

4 years ago
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4 years ago
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