Physics A device used for converting a.c. into d.c. is called Induction coil Rectifier Dynamo Transformer Induction coil Rectifier Dynamo Transformer ANSWER DOWNLOAD EXAMIANS APP
Physics The source of the Sun's energy is the process of Nuclear fission Thermionic emission Nuclear fusion Photoelectric emission Nuclear fission Thermionic emission Nuclear fusion Photoelectric emission ANSWER DOWNLOAD EXAMIANS APP
Physics The redness in atmosphere at Sunrise and Sunset is due to : Refraction of light Scattering of light Reflection of light Dispersion of light Refraction of light Scattering of light Reflection of light Dispersion of light ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Lightning discharge in atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Lightning discharge in atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of the ocean appears to be blue because the sunlight falling on it is Scattered Diffracted Reflected Refracted Scattered Diffracted Reflected Refracted ANSWER DOWNLOAD EXAMIANS APP
Physics Bubbles of air rise up through liquids due to Up thrust and surface tension Surface tension and adherence Air current over the liquid and buoyancy Viscosity and buoyancy Up thrust and surface tension Surface tension and adherence Air current over the liquid and buoyancy Viscosity and buoyancy ANSWER DOWNLOAD EXAMIANS APP