Question : Energy is continuously created in the sun due to
Option 1: Nuclear fusion
Option 2: Nuclear fission
Option 3: Radioactivity
Option 4: Artificial radioactivity
Correct Answer: Nuclear fusion
Solution : The correct answer is Nuclear fusion.
Solar energy encompasses all forms of energy produced by the sun. The sun undergoes nuclear fusion, which produces solar energy. Fusion is the process by which protons from hydrogen atoms clash forcefully to form helium atoms at the centre of the sun. This process is known as fusion. This mechanism, known as a proton-proton (PP) chain reaction, releases an enormous amount of energy.
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Question : The Sun heats the Earth through:
Option 1: conduction
Option 2: radiation
Option 3: fission
Option 4: convention
Question : Which of the following is the second largest source of global energy?
Option 1: Fossil fuel
Option 2: Nuclear Energy
Option 3: Renewable Energy
Option 4: None of these
Question : Gliders depend on the following energy for their flight:
Option 1: wind energy
Option 2: electrical energy
Option 3: heat energy
Option 4: chemical energy
Question : Two elements which are used to absorb neutrons to control the chain reaction during nuclear fission are
Option 1: Boron and Cadmium
Option 2: Boron and Plutonium
Option 3: Cadmium and Uranium
Option 4: Uranium and Boron
Question : A flying jet possesses____________.
Option 1: potential energy
Option 2: kinetic energy
Option 3: wind energy
Option 4: both kinetic and potential energy
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