Physics Conversion of sound energy into electrical energy is done by Microphone Solar cell Gramophone Loudspeaker Microphone Solar cell Gramophone Loudspeaker ANSWER DOWNLOAD EXAMIANS APP
Physics Good conductor of electricity is Kerosene Graphite Paper Dry air Kerosene Graphite Paper Dry air ANSWER DOWNLOAD EXAMIANS APP
Physics Dioptre is the unit of Light intensity Power of a lens Focal length of a lens Sound intensity Light intensity Power of a lens Focal length of a lens Sound intensity ANSWER DOWNLOAD EXAMIANS APP
Physics Rain drops acquire spherical shape due to Friction Viscosity Elasticity Surface tension Friction Viscosity Elasticity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Which electromagnetic radiation is used for satellite communication ? Radiowave Ultraviolet Millimeter wave Infrared Radiowave Ultraviolet Millimeter wave Infrared 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
EXAMIANS