Physics A copper disc has a hole. If the disc is heated, the size of the hole Increases No change First increases and than decreases Decreases Increases No change First increases and than decreases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following cannot be used for making lenses? Plastic Glass Water Soil Plastic Glass Water Soil ANSWER DOWNLOAD EXAMIANS APP
Physics A body absorbs heat most if it is White and rough Black and smooth Black and rough White and smooth White and rough Black and smooth Black and rough White and smooth ANSWER DOWNLOAD EXAMIANS APP
Physics Water cannot be used to extinguish fire caused by electric current, because It may spoil the wiring It may cause hydrolysis It may cause electrocution It may cause electrolysis It may spoil the wiring It may cause hydrolysis It may cause electrocution It may cause electrolysis ANSWER DOWNLOAD EXAMIANS APP
Physics Rolling friction is caused by ________ Non-elastic effects Gravity Buoyancy Power dissipation Non-elastic effects Gravity Buoyancy Power dissipation ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical Pressure is also called Power Resistance Current Voltage Power Resistance Current Voltage ANSWER DOWNLOAD EXAMIANS APP