Physics Skating on ice is possible because The pressure on the ice due to skate raises its melting point The surface of ice is smooth 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 pressure on the ice due to skate raises its melting point The surface of ice is smooth 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
Physics Which process allows water to enter the atmosphere? Condensation Evaporation Transpiration Respiration Condensation Evaporation Transpiration Respiration ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear Reactors are based on which of the following phenomenon? None of these Controlled Nuclear Fission Nuclear Fusion Magnetic confinement of Plasma None of these Controlled Nuclear Fission Nuclear Fusion Magnetic confinement of Plasma ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a renewable resource of energy? Hydrogen fuel All of these Wind energy Solar energy Hydrogen fuel All of these Wind energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following doesn't have any effect on velocity of sound ? Humidity Pressure Density Temperature Humidity Pressure Density Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 400 J 100 J 200 J 0 J 400 J 100 J 200 J 0 J ANSWER DOWNLOAD EXAMIANS APP