Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction, convection and radiation Convection and radiation only Conduction and radiation only Conduction and convection only Conduction, convection and radiation Convection and radiation only Conduction and radiation only Conduction and convection only ANSWER DOWNLOAD EXAMIANS APP
Physics Energy stored in the nucleus of an atom is called Atomic energy Kinetic energy Nuclear energy Potential energy Atomic energy Kinetic energy Nuclear energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics Centrifugal force increases with Acceleration Temperature Humidity Pressure Acceleration Temperature Humidity Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force on it. Calculate the magnitude of this force (in N). 80 10 20 40 80 10 20 40 ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator, the cooling system should always be At the bottom At the top At the middle Can be anywhere At the bottom At the top At the middle Can be anywhere ANSWER DOWNLOAD EXAMIANS APP
Physics The absorption of ink by blotting paper involves: Viscosity of ink Siphon action Diffusion of ink through the blotting Capillary action phenomenon Viscosity of ink Siphon action Diffusion of ink through the blotting Capillary action phenomenon ANSWER DOWNLOAD EXAMIANS APP