Physics In a nuclear reactor, one of the following is used as a fuel. Diesel Radium Uranium Coal Diesel Radium Uranium Coal ANSWER DOWNLOAD EXAMIANS APP
Physics Moving electric charge produces : Heat waves Sound waves Light rays Magnetic field Heat waves Sound waves Light rays Magnetic field ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Convection and radiation only Conduction and convection only Conduction and radiation only Conduction, convection and radiation Convection and radiation only Conduction and convection only Conduction and radiation only Conduction, convection and radiation ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 8 T 2 T 4 T 1 T 8 T 2 T 4 T 1 T ANSWER DOWNLOAD EXAMIANS APP
Physics According to the theory of relativity, which of the following always remains constant ? Space Velocity of light Length of an object Time Space Velocity of light Length of an object Time ANSWER DOWNLOAD EXAMIANS APP
Physics Flywheel is an important part of a steam engine because it : Accelerates the speed of the engine Helps the engine in keeping the speed uniform Gives strength to the engine Decreases the moment of inertia Accelerates the speed of the engine Helps the engine in keeping the speed uniform Gives strength to the engine Decreases the moment of inertia ANSWER DOWNLOAD EXAMIANS APP