Physics The function of ball bearings in a wheel is : To convert kinetic friction into rolling friction To increase friction To convert static friction into kinetic friction Just for convenience To convert kinetic friction into rolling friction To increase friction To convert static friction into kinetic friction Just for convenience ANSWER DOWNLOAD EXAMIANS APP
Physics Magnifying Glass is basically a Concave lens Convex lens Cylindrical lens Plano-concave lens Concave lens Convex lens Cylindrical lens Plano-concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ High melting point Low work function Low resistance Low melting point High melting point Low work function Low resistance Low melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Why does ice covered in sawdust not melt quickly ? Sawdust is a bad conductor of heat Sawdust does not allow the air to touch the ice Sawdust is good conductor of heat The water is absorbed by sawdust Sawdust is a bad conductor of heat Sawdust does not allow the air to touch the ice Sawdust is good conductor of heat The water is absorbed by sawdust ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in Fahrenheit) pure water freezes? 48 32 37 48 32 37 ANSWER DOWNLOAD EXAMIANS APP
Physics What is another name for energy of motion? Motional energy Kinetic energy Potential energy Rotational energy Motional energy Kinetic energy Potential energy Rotational energy ANSWER DOWNLOAD EXAMIANS APP