Physics The source of the Sun's energy is the process of Nuclear fusion Nuclear fission Thermionic emission Photoelectric emission Nuclear fusion Nuclear fission Thermionic emission Photoelectric emission ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Johannes Kepler Martin Luther Galileo Copernicus Johannes Kepler Martin Luther Galileo Copernicus ANSWER DOWNLOAD EXAMIANS APP
Physics Sun appears red in colour at sunrise and sunset due to The fact that sun emits only red colour at that time Red light having longer wave length scatters away That sun comes out of the mountains That all other colours scatter away except red The fact that sun emits only red colour at that time Red light having longer wave length scatters away That sun comes out of the mountains That all other colours scatter away except red ANSWER DOWNLOAD EXAMIANS APP
Physics Which alternative energy source is exhaustible? Tidal energy Geothermal energy Wind energy Solar energy Tidal energy Geothermal energy Wind energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height Air pressure decreases with decrease in weight ANSWER DOWNLOAD EXAMIANS APP
Physics Which has the lowest albedo? Both A & B None of these Dark surfaces Light surfaces Both A & B None of these Dark surfaces Light surfaces ANSWER DOWNLOAD EXAMIANS APP
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