Physics Gasoline is useful in cars because it has Chemical potential energy Kinetic energy Gravitational potential energy Electrical potential energy Chemical potential energy Kinetic energy Gravitational potential energy Electrical potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics The time period of a seconds pendulum is 1 second 0.5 second 1.5 second 2 seconds 1 second 0.5 second 1.5 second 2 seconds ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear = 85 db None of these < 85 db > 85 db = 85 db None of these < 85 db > 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 4.2 J 336 J 80 J 2268 J 4.2 J 336 J 80 J 2268 J ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Plastics have a lower density than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a higher thermal conductivity than metals ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic domains normally occur in Silver All of these Iron Copper Silver All of these Iron Copper ANSWER DOWNLOAD EXAMIANS APP