Physics In mirrors the back surface is coated with a thin layer of : Mercury Silver nitrate Silver Red oxide Mercury Silver nitrate Silver Red oxide ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the metals has the maximum thermal conductivity? Aluminium Silver Copper Iron Aluminium Silver Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because None of these A parachute has a larger surface area and air resistance is more Stone is heavier than parachute Special mechanisms are present in parachute None of these A parachute has a larger surface area and air resistance is more Stone is heavier than parachute Special mechanisms are present in parachute ANSWER DOWNLOAD EXAMIANS APP
Physics Specific gravity is defined as the ratio of Density of water at 4°C to the density of the substance Density of the substance to the density of water at 0°C Density of the substance to the density of water Density of the substance to the density of water at 4°C Density of water at 4°C to the density of the substance Density of the substance to the density of water at 0°C Density of the substance to the density of water Density of the substance to the density of water at 4°C ANSWER DOWNLOAD EXAMIANS APP
Physics The commonly used coolant in refrigerators is Freon Ammonia Oxygen Nitrogen Freon Ammonia Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole Increases No change Decreases First increases and than decreases Increases No change Decreases First increases and than decreases ANSWER DOWNLOAD EXAMIANS APP