Physics If electric resistance is to be decreased, then the number of resistances should be connected in ________ None of these Mixed arrangement Parallel Series None of these Mixed arrangement Parallel Series ANSWER DOWNLOAD EXAMIANS APP
Physics The weight of a body acts through the centre of Mass Gravity Both (A) and (B) Buoyancy Mass Gravity Both (A) and (B) Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Increases with decrease of temperature Decreases with increase of temperature Decreases with decrease of temperature Does not depend on temperature Increases with decrease of temperature Decreases with increase of temperature Decreases with decrease of temperature Does not depend on temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Glass to water Water to glass Water to air Glass to air Glass to water Water to glass Water to air Glass to air ANSWER DOWNLOAD EXAMIANS APP
Physics Energy in reflected light : Becomes maximum for angle of incidence equal to 45° Does not depends on the angle of incidence Increases with the increase in angle Decreases with the increase in angle of incidence Becomes maximum for angle of incidence equal to 45° Does not depends on the angle of incidence Increases with the increase in angle Decreases with the increase in angle of incidence ANSWER DOWNLOAD EXAMIANS APP
Physics Specific gravity is defined as the ratio of Density of the substance to the density of water at 4°C Density of the substance to the density of water Density of the substance to the density of water at 0°C Density of water at 4°C to the density of the substance Density of the substance to the density of water at 4°C Density of the substance to the density of water Density of the substance to the density of water at 0°C Density of water at 4°C to the density of the substance ANSWER DOWNLOAD EXAMIANS APP