Physics Parabolic mirrors are used in Dentists mirros Driving mirrors Car headlights Shaving mirros Dentists mirros Driving mirrors Car headlights Shaving mirros ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of luminous emittance is : Lux Candela Lumen second Lumen Lux Candela Lumen second Lumen ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 20 – 20000 Hz 0 – 5 Hz 11 – 20 Hz 6 – 10 Hz 20 – 20000 Hz 0 – 5 Hz 11 – 20 Hz 6 – 10 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Negative acceleration is in the opposite direction of: Momentum Distance Force Velocity Momentum Distance Force Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics What is the name of the device used to convert alternating current into direct current ? Transformer Ammeter Rectifier Galvanometer Transformer Ammeter Rectifier Galvanometer ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Water has a higher viscosity Oil has a higher viscosity Water has a higher surface tension Oil has a higher surface tension Water has a higher viscosity Oil has a higher viscosity Water has a higher surface tension Oil has a higher surface tension ANSWER DOWNLOAD EXAMIANS APP