Physics Alternating current is converted into direct current by a Transformer Oscillator Dynamo Rectifier Transformer Oscillator Dynamo Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics Infrasonic sound has a frequency lower than 32 Hz 5 Hz 20 Hz 15 Hz 32 Hz 5 Hz 20 Hz 15 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Golden view of sea shell is due to Reflection Polarization Diffraction Dispersion Reflection Polarization Diffraction Dispersion ANSWER DOWNLOAD EXAMIANS APP
Physics A small piece of a substance is weakly attracted by a strong magnetic field. The substance is Non-magnetic Paramagnetic Ferromagnetic Diamagnetic Non-magnetic Paramagnetic Ferromagnetic Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
Physics For a ray of light to suffer total internal reflection it has to pass from : Air to water Water to glass Glass to water Air to glass Air to water Water to glass Glass to water Air to glass ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a property of heavy water ? Freezing point of heavy water is higher than that of ordinary water Boiling point of heavy water is lower than that or ordinary water Density of heavy water is higher than that of ordinary water It produces corrosion Freezing point of heavy water is higher than that of ordinary water Boiling point of heavy water is lower than that or ordinary water Density of heavy water is higher than that of ordinary water It produces corrosion ANSWER DOWNLOAD EXAMIANS APP