Physics Dynamo is a device for converting Chemical energy into electrical energy Heat energy into electrical energy Mechanical energy into electrical energy Magnetic energy into electrical energy Chemical energy into electrical energy Heat energy into electrical energy Mechanical energy into electrical energy Magnetic energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The GPS device in an automobile uses which communication channel? Radio frequency Microwave Infrared Satellite Radio frequency Microwave Infrared Satellite ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound travel fastest through Solid Liquid Gas None of these Solid Liquid Gas None of these 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 Bend towards right Remain straight None of these Bend towards left Bend towards right Remain straight ANSWER DOWNLOAD EXAMIANS APP
Physics The atmosphere is heated mainly by Convection Conduction Insolation Radiation Convection Conduction Insolation Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is used for sun glasses ? Crystal glass Crooks glass Pyrex glass Flint glass Crystal glass Crooks glass Pyrex glass Flint glass ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS