Physics The metal used to make lightning conductors is Aluminium Iron Zinc Copper Aluminium Iron Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Physics When a detergent is added to pure water, its surface tension Remains constant Becomes infinite Increases Decreases Remains constant Becomes infinite Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have Equal volume Equal mass Equal density Equal weight Equal volume Equal mass Equal density Equal weight ANSWER DOWNLOAD EXAMIANS APP
Physics For an ideal gas, which one of the following statements does not hold true? The speed of all gas molecules is same There is no interactive force between the molecules. The kinetic energies of all gas molecules are not same The potential energy of the gas molecules is zero The speed of all gas molecules is same There is no interactive force between the molecules. The kinetic energies of all gas molecules are not same The potential energy of the gas molecules is zero ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of mirror is used in the head lights of vehicles ? Parabolic mirror Plane mirror Concave mirror Convex mirror Parabolic mirror Plane mirror Concave mirror Convex mirror ANSWER DOWNLOAD EXAMIANS APP
Physics Inside an aeroplane, flying at a high altitude, normal atmospheric pressure is maintained by the use of air pumps. the pressure is the same as that outside. normal humidity and partial vacuum are maintained. the pressure inside is less than the pressure outside. normal atmospheric pressure is maintained by the use of air pumps. the pressure is the same as that outside. normal humidity and partial vacuum are maintained. the pressure inside is less than the pressure outside. ANSWER DOWNLOAD EXAMIANS APP