Physics The energy stored in a watch spring is Potential energy Chemical energy Kinetic energy Heat energy Potential energy Chemical energy Kinetic energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Decrease Remain unaffected Have its shape changed Increase Decrease Remain unaffected Have its shape changed Increase ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is the unit of surface tension of a liquid Joule/ mm Newton /m2 None of these Electron volt /cm2 Joule/ mm Newton /m2 None of these Electron volt /cm2 ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound has a subject existence both subjective and objective existence no existence an object existence a subject existence both subjective and objective existence no existence an object existence ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following waves is used for communication by artificial satellites ? M. Micro waves Radio waves Frequency of 1016 series M. Micro waves Radio waves Frequency of 1016 series ANSWER DOWNLOAD EXAMIANS APP
Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will None of these Bend towards left Remain straight Bend towards right None of these Bend towards left Remain straight Bend towards right ANSWER DOWNLOAD EXAMIANS APP