Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Water, iron and air Iron, water and air Iron, air and water Air, water and iron Water, iron and air Iron, water and air Iron, air and water Air, water and iron ANSWER DOWNLOAD EXAMIANS APP
Physics What is a compound microscope? A microscope that has one lens. A microscope whose lenses are convex. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope whose lenses are concave. A microscope that has one lens. A microscope whose lenses are convex. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope whose lenses are concave. ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Carnot-cycle Boyle's-cycle Diesel-cycle Otto-cycle Carnot-cycle Boyle's-cycle Diesel-cycle Otto-cycle ANSWER DOWNLOAD EXAMIANS APP
Physics The coil wire in the electric room heater or electric cooking heater is called ________ Filament Circuit Element Cells Filament Circuit Element Cells ANSWER DOWNLOAD EXAMIANS APP
Physics A small piece of a substance is weakly attracted by a strong magnetic field. The substance is Diamagnetic Non-magnetic Paramagnetic Ferromagnetic Diamagnetic Non-magnetic Paramagnetic Ferromagnetic ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Lightning discharge in atmosphere. 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. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. 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. Action of ultraviolet light from the sun on atmospheric oxygen. ANSWER DOWNLOAD EXAMIANS APP
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