Physics Moving electric charge produces : Heat waves Sound waves Magnetic field Light rays Heat waves Sound waves Magnetic field Light rays ANSWER DOWNLOAD EXAMIANS APP
Physics In an optical fibre the signal is transmitted Due to total internal reflection Due to refraction In a curved path In a straight line path Due to total internal reflection Due to refraction In a curved path In a straight line path ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Diffraction Propagation Refraction No option is correct Diffraction Propagation Refraction No option is correct ANSWER DOWNLOAD EXAMIANS APP
Physics Parabolic mirrors are used in Shaving mirros Dentists mirros Car headlights Driving mirrors Shaving mirros Dentists mirros Car headlights Driving mirrors ANSWER DOWNLOAD EXAMIANS APP
Physics A pilot has to release the bomb to hit a target Before the target None of these Right above the target Beyond the target Before the target None of these Right above the target Beyond the target ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its electrical conductivity increase its life increase its electrical resistivity enable it to withstand higher voltages increase its electrical conductivity increase its life increase its electrical resistivity enable it to withstand higher voltages ANSWER DOWNLOAD EXAMIANS APP