Physics Eclipses occur due to which optical phenomena? Reflection Rectilinear propagation Refraction Diffraction Reflection Rectilinear propagation Refraction Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics The minimum number of geostationary satellites needed for uninterrupted global coverage is : 3 4 1 2 3 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Physics When hot-water is sprinkled on a hotter glass tumbler, it breaks because Water evaporates Glass reacts chemically with water Glass suddenly contracts Glass suddenly expands Water evaporates Glass reacts chemically with water Glass suddenly contracts Glass suddenly expands ANSWER DOWNLOAD EXAMIANS APP
Physics Heavy water is used in nuclear reactor to Increase speed of neutron Increase temperature Absorb neutron Slow down neutron Increase speed of neutron Increase temperature Absorb neutron Slow down neutron ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height Weight of the balloon is less than the weight of air displaced by it. ANSWER DOWNLOAD EXAMIANS APP
Physics Mirage is due to: Depletion of ozone layer in the atmosphere Equal heating of different parts of the atmosphere Unequal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere Depletion of ozone layer in the atmosphere Equal heating of different parts of the atmosphere Unequal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
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