Sun emits energy in the form of electromagnetic radiation. The following help in the generation of solar energy. Arrange them in the right sequence beginning from the starting of the cycle:
1. Hydrogen is converted to helium at very high temperatures and pressures.
2. The energy finds its way to sun’s surface.
3. A vast quantity of energy is generated by nuclear fusion.
Select the correct answer using the code given below.
1-2-3
2-3-1
3-2-1
1-3-2
For election to the Lok Sabha, a nomination paper can be filed by
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In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
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Which among the following events happened earliest ?
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An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
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