Physics Light travels at the fastest speed in: vacuum glass water hydrogen vacuum glass water hydrogen ANSWER DOWNLOAD EXAMIANS APP
Physics The wave of theory of light is based on The laws of reflection The laws of refraction The inverse square law Huyghens' principle The laws of reflection The laws of refraction The inverse square law Huyghens' principle ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Atmospheric reflection Total internal reflection Atmospheric refraction Dispersion of light Atmospheric reflection Total internal reflection Atmospheric refraction Dispersion of light ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Increases Remains constant Decreases Decreases and then remains constant Increases Remains constant Decreases Decreases and then remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will None of these Remain straight Bend towards right Bend towards left None of these Remain straight Bend towards right Bend towards left ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because Of the high viscosity of mercury The density of mercury is greater than that of steel Mercury is a semisolid Of the surface tension of mercury Of the high viscosity of mercury The density of mercury is greater than that of steel Mercury is a semisolid Of the surface tension of mercury ANSWER DOWNLOAD EXAMIANS APP
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