Physics Speed of sound is the greatest in : Air Glycerine Water Glass Air Glycerine Water Glass ANSWER DOWNLOAD EXAMIANS APP
Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? None of these Becomes zero Increases exponentially Remains constant None of these Becomes zero Increases exponentially Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics Light houses are places with powerful lights to : Guide and warn the ships coming from different directions in the ocean Guide and resolve traffic jams in crowded metro-cities during nights Guide and help large crowds at religious gathering during nights Indicate to the incoming warships, the location of a harbour during night Guide and warn the ships coming from different directions in the ocean Guide and resolve traffic jams in crowded metro-cities during nights Guide and help large crowds at religious gathering during nights Indicate to the incoming warships, the location of a harbour during night ANSWER DOWNLOAD EXAMIANS APP
Physics Sound cannot pass through Steel Water Vacuum Air Steel Water Vacuum Air ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Reflection Diffraction Total internal reflection Refraction Reflection Diffraction Total internal reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics At low temperature, Lead behaves as a : Superconductor Insulator Semi conductor Conductor Superconductor Insulator Semi conductor Conductor ANSWER DOWNLOAD EXAMIANS APP