Sources of Energy
Conventional and non-conventional sources, solar, wind, nuclear, biomass.
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Take a full mock →Q1 · Sources of Energy · EASY
A solar cooker works on the principle of converting light energy into heat energy. Which of the following features is NOT essential for an efficient solar cooker?
Q2 · Sources of Energy · MEDIUM
In a biogas plant, the main component of biogas is methane (CH4). The biogas is produced through the anaerobic decomposition of organic waste. If a biogas plant produces 60% methane, 35% carbon dioxide, and 5% other gases by volume, and the calorific value of methane is 50 MJ/kg, which statement about biogas is correct?
Q3 · Sources of Energy · HARD
A nuclear power plant uses Uranium-235 as fuel. In a nuclear fission reaction, one atom of U-235 releases approximately 200 MeV of energy. If 1 kg of U-235 undergoes complete fission, and given that 1 eV = 1.6 × 10^-19 J, the number of atoms in 1 kg of U-235 is approximately 2.56 × 10^24, then the total energy released would be closest to:
Q4 · Sources of Energy · EASY
Which of the following is a non-renewable source of energy?
Q5 · Sources of Energy · MEDIUM
Solar panels convert solar energy into electrical energy. What is the main component used in solar panels for this conversion?