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 Conduction and radiation only Conduction and convection only Convection and radiation only Conduction, convection and radiation Conduction and radiation only Conduction and convection only Convection and radiation only ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun. 2 4 0.1 0.05 2 4 0.1 0.05 ANSWER DOWNLOAD EXAMIANS APP
Physics Ice cubes are added to a glass of pure water and a glass of pure alcohol. The ice would be At the same level in both At a higher level in alcohol At a higher level in water Floating in alcohol and sinking in water At the same level in both At a higher level in alcohol At a higher level in water Floating in alcohol and sinking in water ANSWER DOWNLOAD EXAMIANS APP
Physics What is the fundamental unit of amount of a substance? Meter Mole Kelvin Candela Meter Mole Kelvin Candela ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Metal reflects radiowaves Vehicle pollution affects the performance of the TV components Modern vehicles use electroignition system Spark plug creates electromagnetic disturbances Metal reflects radiowaves Vehicle pollution affects the performance of the TV components Modern vehicles use electroignition system Spark plug creates electromagnetic disturbances ANSWER DOWNLOAD EXAMIANS APP
Physics In a magnetic field, the direction of motion of a current carrying conductor is given by Kirchoff's law Lenz's rule Maxwell's right hand rule Flemings left hand rule Kirchoff's law Lenz's rule Maxwell's right hand rule Flemings left hand rule ANSWER DOWNLOAD EXAMIANS APP
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