Physics Frictional force acts in All the directions The opposite direction of the motion The same direction as the motion Upward direction All the directions The opposite direction of the motion The same direction as the motion Upward direction ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because The density of mercury is greater than that of steel Of the surface tension of mercury Of the high viscosity of mercury Mercury is a semisolid The density of mercury is greater than that of steel Of the surface tension of mercury Of the high viscosity of mercury Mercury is a semisolid ANSWER DOWNLOAD EXAMIANS APP
Physics Pipelines in cold countries often burst in winter, because Pipelines expand due to freezing Water freezes and expands in its volume Temperature of ice is less than that of water Pipelines contract in their volume Pipelines expand due to freezing Water freezes and expands in its volume Temperature of ice is less than that of water Pipelines contract in their volume ANSWER DOWNLOAD EXAMIANS APP
Physics Electrostatic precipitator is used to control the pollution of Noise Water Air Thermal Noise Water Air Thermal ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for locating submerged objects under sea is. Laser Radar Sonar Maser Laser Radar Sonar Maser ANSWER DOWNLOAD EXAMIANS APP
Physics Indicate the false statement about the resistance of a wire It is directly proportional to the area of cross-section of wire It is directly proportional to the length of wire It depends on material of wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the area of cross-section of wire It is directly proportional to the length of wire It depends on material of wire Resistance of metallic wire increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP