Physics Absolute Zero is defined as At which water boils at 298K At which the volume becomes zero The temperature at which all molecular motion ceases At which liquid Helium boils At which water boils at 298K At which the volume becomes zero The temperature at which all molecular motion ceases At which liquid Helium boils ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical burns occur principally because of Radiation pulses of the electricity All of these The high energy of electrons The heat generated by the flow of electrical current through the body Radiation pulses of the electricity All of these The high energy of electrons The heat generated by the flow of electrical current through the body ANSWER DOWNLOAD EXAMIANS APP
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 A simple microscope consists of : A short focus concave lens A long focus convex lens A long focus concave lens A short focus convex lens A short focus concave lens A long focus convex lens A long focus concave lens A short focus convex lens ANSWER DOWNLOAD EXAMIANS APP
Physics The resistance of a conductor is inversely proportional to its: Resistivity Area of cross section Temperature Length Resistivity Area of cross section Temperature Length ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because It has high resistance The body is earthed It does not form a closed path for the flow of current Its feet are good insulators It has high resistance The body is earthed It does not form a closed path for the flow of current Its feet are good insulators ANSWER DOWNLOAD EXAMIANS APP