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Q. The energy emitted by the Sun is due to
The sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom.
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Q. The time period of a seconds pendulum is
Q. An application of Bernoulli's equation for fluid flow is found in
Q. Temperature can be expressed as derived quantity in terms of any of the following
Q. What is colour of light related to ?
Q. The group of solar cells joined together in a definite pattern is called a
Q. In a refrigerator what produces the cooling ?
Q. Air pressure is measured in which of the following units?
Q. If ice floating on water in a vessel melts, the water level in the vessel ________ .
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