Physics Purity of a metal can be determined with the help of Pascal's law Conservation of mass principle Boyle's law Archimedes principle Pascal's law Conservation of mass principle Boyle's law Archimedes principle ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is the greatest in : Air Water Glass Glycerine Air Water Glass Glycerine ANSWER DOWNLOAD EXAMIANS APP
Physics What will happen if an object is dropped from a height and there is no air resistance? It will fall with a constant speed and acceleration Its acceleration will increase Its speed will increase Both speed and acceleration will increase It will fall with a constant speed and acceleration Its acceleration will increase Its speed will increase Both speed and acceleration will increase ANSWER DOWNLOAD EXAMIANS APP
Physics The angle between the ________ and the incident ray is called the angle of incidence. Normal Reflected ray Surface Tangent Normal Reflected ray Surface Tangent ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following devices can be used to detect radiant heat ? Liquid thermometer Six's maximum and minimum thermometer Thermopile Constant volume air thermometer Liquid thermometer Six's maximum and minimum thermometer Thermopile Constant volume air thermometer ANSWER DOWNLOAD EXAMIANS APP
Physics Skating on ice is possible because The surface of ice is smooth The pressure on the ice due to skate raises its melting point Ice is cold The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The surface of ice is smooth The pressure on the ice due to skate raises its melting point Ice is cold The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water ANSWER DOWNLOAD EXAMIANS APP