Physics Which one of the following animals can hear ultrasonic sound ? Bat Squirrel Rat Cat Bat Squirrel Rat Cat 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 higher thermal conductivity than metals Plastics have a lower density than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Sound signal into light signal Current signal into sound signal Sound signal into current signal Light signal into sound signal Sound signal into light signal Current signal into sound signal Sound signal into current signal Light signal into sound signal ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not an aerosol? Mud Fog Smoke Dust Mud Fog Smoke Dust ANSWER DOWNLOAD EXAMIANS APP
Physics A boat will submerge when it displaces water equal to its own: Volume Surface area Density Weight Volume Surface area Density Weight ANSWER DOWNLOAD EXAMIANS APP
Physics Which is evidence that supports the dynamo theory? Convection occurs in Earth's inner core Earth's outer core contains liquid that conducts electricity Earth's core contains a large amount of iron Granite and basalt conduct electricity Convection occurs in Earth's inner core Earth's outer core contains liquid that conducts electricity Earth's core contains a large amount of iron Granite and basalt conduct electricity ANSWER DOWNLOAD EXAMIANS APP