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 Of the surface tension of mercury Mercury is a semisolid Of the high viscosity of mercury The density of mercury is greater than that of steel Of the surface tension of mercury Mercury is a semisolid ANSWER DOWNLOAD EXAMIANS APP
Physics Speed regulation of synchronous motor is 0.01 0.005 0.25 Zero 0.01 0.005 0.25 Zero ANSWER DOWNLOAD EXAMIANS APP
Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The heat emitted by the engine The greenhouse effect The double layered wind shield The good conducting power of the metal body The heat emitted by the engine The greenhouse effect The double layered wind shield The good conducting power of the metal body ANSWER DOWNLOAD EXAMIANS APP
Physics The reason for a swimming pool to appear less deep than the actual depth is Refraction Reflection Light scattering Interference Refraction Reflection Light scattering Interference ANSWER DOWNLOAD EXAMIANS APP
Physics A body is initially moving with a velocity of 5 m/s. It undergoes an acceleration of 2 m/s2 for 4 seconds. Find the displacement (in m) of this body in these 4 seconds. 8 72 36 4 8 72 36 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Every hot object emits ________ X–rays Ultraviolet rays Infrared rays Visible light X–rays Ultraviolet rays Infrared rays Visible light ANSWER DOWNLOAD EXAMIANS APP