Physics Conversion of heat into electrical energy is achieved by using : Thermocouple Voltmeter Hydrometer Ammeter Thermocouple Voltmeter Hydrometer Ammeter ANSWER DOWNLOAD EXAMIANS APP
Physics Pipelines in cold countries often burst in winter, because Pipelines expand due to freezing Water freezes and expands in its volume Pipelines contract in their volume Temperature of ice is less than that of water Pipelines expand due to freezing Water freezes and expands in its volume Pipelines contract in their volume Temperature of ice is less than that of water ANSWER DOWNLOAD EXAMIANS APP
Physics Least audible sound for most of the human ear is : 5.0 µ bar 10.0 µ bar 0.005 µ bar 0.0002 µ bar 5.0 µ bar 10.0 µ bar 0.005 µ bar 0.0002 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics The hair of shaving brush clings together when removed from water due to Elasticity Friction Surface tension Viscosity Elasticity Friction Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics The sound produced by a bat is– Audible Infrasonic Subsonic Ultrasonic Audible Infrasonic Subsonic Ultrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is the unit of surface tension of a liquid Newton /m2 Joule/ mm None of these Electron volt /cm2 Newton /m2 Joule/ mm None of these Electron volt /cm2 ANSWER DOWNLOAD EXAMIANS APP