Physics In which of the following cases, kinetic energy is being used in performing work ? Paddling the bicycle to cover a distance Driving a car to cover a distance Rowing a boat in the lake Wind mill grinding wheat grain Paddling the bicycle to cover a distance Driving a car to cover a distance Rowing a boat in the lake Wind mill grinding wheat grain ANSWER DOWNLOAD EXAMIANS APP
Physics Moving electric charge produces : Light rays Heat waves Magnetic field Sound waves Light rays Heat waves Magnetic field Sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics A wire carrying current is Neutral Positively charged Charged with a type depending upon current strength Negatively charged Neutral Positively charged Charged with a type depending upon current strength Negatively charged ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Unchanged Depends upon the metal Decreases Increases Unchanged Depends upon the metal Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Heavy water is used in nuclear reactor to Increase temperature Absorb neutron Increase speed of neutron Slow down neutron Increase temperature Absorb neutron Increase speed of neutron Slow down neutron ANSWER DOWNLOAD EXAMIANS APP
Physics What is the force of attraction between any two bodies by virtue of their masses is called? Nuclear Force Centripetal Force Gravitational Force Electromagnetic Force Nuclear Force Centripetal Force Gravitational Force Electromagnetic Force ANSWER DOWNLOAD EXAMIANS APP