Physics Ventilators are provided near the ceiling of the room because The exhaled warmer air rises up and goes out These provide some sunlight in the room These do not look nice in the lower part These provide cross ventilation in the room The exhaled warmer air rises up and goes out These provide some sunlight in the room These do not look nice in the lower part These provide cross ventilation in the room ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is lighter than iron Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is cheaper than iron Copper is lighter than iron Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is cheaper than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Blotting paper absorbs ink due to Diffusion of ink through the blotting Capillary action phenomenon Viscosity of ink Siphon action Diffusion of ink through the blotting Capillary action phenomenon Viscosity of ink Siphon action ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of pure silicon is doped with aluminium, then The conductivity of the doped silicon piece will remain the same The doped silicon piece will become n-type The doped silicon piece will become p-type The resistivity of the doped silicon piece will increase The conductivity of the doped silicon piece will remain the same The doped silicon piece will become n-type The doped silicon piece will become p-type The resistivity of the doped silicon piece will increase ANSWER DOWNLOAD EXAMIANS APP
Physics The energy obtained from atoms is known as ________ Solar energy Nuclear energy Heat energy Chemical energy Solar energy Nuclear energy Heat energy Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is used in a magnifying glass Concave None of these Convex Plano-concave Concave None of these Convex Plano-concave ANSWER DOWNLOAD EXAMIANS APP
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