Physics In a refrigerator what produces the cooling ? The ice which deposits on the freezer The sudden expansion of a compressed gas None of these The evaporation of a volatile liquid The ice which deposits on the freezer The sudden expansion of a compressed gas None of these The evaporation of a volatile liquid ANSWER DOWNLOAD EXAMIANS APP
Physics What type of simple machine is an axe? Wedge Lever The screw Both A & B Wedge Lever The screw Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Infrasonic sound has a frequency lower than 15 Hz 5 Hz 32 Hz 20 Hz 15 Hz 5 Hz 32 Hz 20 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Frictional force acts in Upward direction The opposite direction of the motion The same direction as the motion All the directions Upward direction The opposite direction of the motion The same direction as the motion All the directions ANSWER DOWNLOAD EXAMIANS APP
Physics An object that has kinetic energy must be Moving Falling At an elevated position At rest Moving Falling At an elevated position At rest ANSWER DOWNLOAD EXAMIANS APP
Physics A device used for converting a.c. into d.c. is called Induction coil Dynamo Rectifier Transformer Induction coil Dynamo Rectifier Transformer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS