Physics A device used for converting a.c. into d.c. is called Rectifier Transformer Dynamo Induction coil Rectifier Transformer Dynamo Induction coil ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Thermocouple Photovoltaic cell Photodiode Heliostats Thermocouple Photovoltaic cell Photodiode Heliostats ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of Capillarity Surface tension Diffusion Viscosity Capillarity Surface tension Diffusion Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics A pond of water appears less deep due to Polarisation Refraction Reflection Diffraction Polarisation Refraction Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Radioactive elements can be traced out in living cell through a technique called All listed here Centrifugation Chromatography Auto radiography All listed here Centrifugation Chromatography Auto radiography ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following industries is mica as a raw material? Electrical Glass and Pottery Cement Iron and Steel Electrical Glass and Pottery Cement Iron and Steel ANSWER DOWNLOAD EXAMIANS APP