UPPCS · ప్రశ్న 4
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?
సమాధానం చూపించు & వివరణ
సమాధానం: (A) Nuclear energy
వివరణ
Nuclear energy comes from fission of uranium/thorium atoms, not from the sun. (Geothermal also is not solar-derived, but the key accepts nuclear.) (As per the official UPPSC answer key.)