Physics In a conductor The valence band and the conduction band overlap each other The forbidden energy gap is very wide The forbidden energy gap is very narrow There is no conduction band The valence band and the conduction band overlap each other The forbidden energy gap is very wide The forbidden energy gap is very narrow There is no conduction band ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : It uses more powerful lenses The velocity of electron is smaller than that of visible light The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles It uses more powerful lenses The velocity of electron is smaller than that of visible light The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles ANSWER DOWNLOAD EXAMIANS APP
Physics When a detergent is added to pure water, its surface tension Remains constant Becomes infinite Decreases Increases Remains constant Becomes infinite Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Bubbles of air rise up through liquids due to Surface tension and adherence Viscosity and buoyancy Up thrust and surface tension Air current over the liquid and buoyancy Surface tension and adherence Viscosity and buoyancy Up thrust and surface tension Air current over the liquid and buoyancy ANSWER DOWNLOAD EXAMIANS APP
Physics Vehicles use ________ to see the objects coming from behind. Convex lens Concave lens Concave mirror Convex mirror Convex lens Concave lens Concave mirror Convex mirror ANSWER DOWNLOAD EXAMIANS APP
Physics An atom bomb based upon the principal of ________ Controlled chain reaction Nuclear fission None of these Nuclear fussion Controlled chain reaction Nuclear fission None of these Nuclear fussion ANSWER DOWNLOAD EXAMIANS APP
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