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Q4
(UPPCS/2022)
Science & Technology › New Materials, Energy & Environment-linked Tech
Most of the sources of energy we use, represent stored solar energy. Which of the following is NOT ultimately derived from the sun’s energy ?
Result
Your answer:
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·
Correct:
A
Explanation
Most energy sources used on Earth are forms of stored or indirect solar energy. Biomass energy is solar energy captured by plants through photosynthesis. Wind energy is caused by atmospheric pressure gradients resulting from the Sun's uneven heating of the Earth's surface. Fossil fuels (like coal and petroleum) are also stored solar energy from ancient biomass.
Nuclear energy is released during nuclear fission or fusion and is derived from the strong nuclear force within an atom's nucleus. It originates from stellar nucleosynthesis in stars that existed before our Sun. While geothermal energy (heat
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