Physics When a piece of pure silicon is doped with aluminium, then The doped silicon piece will become n-type The doped silicon piece will become p-type The conductivity of the doped silicon piece will remain the same The resistivity of the doped silicon piece will increase The doped silicon piece will become n-type The doped silicon piece will become p-type The conductivity of the doped silicon piece will remain the same The resistivity of the doped silicon piece will increase ANSWER DOWNLOAD EXAMIANS APP
Physics The spoon dropped by an astronaut in a satellite will Move tangentially away Remain stationary Fall to the floor Continue to follow the motion of the satellite Move tangentially away Remain stationary Fall to the floor Continue to follow the motion of the satellite ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirror used in automobiles to see the traffic on the rear side is Plano-Convex Concave Plane Convex Plano-Convex Concave Plane Convex ANSWER DOWNLOAD EXAMIANS APP
Physics Sources of geothermal power are Water None of these Both A & B Earth's heat Water None of these Both A & B Earth's heat ANSWER DOWNLOAD EXAMIANS APP
Physics Solar cells work on the principle of Photosynthesis Photoconductive effect Photoelectric effect Photovoltaic effect Photosynthesis Photoconductive effect Photoelectric effect Photovoltaic effect ANSWER DOWNLOAD EXAMIANS APP
Physics The shape of our milky way galaxy is Circular Spiral Elliptical None of these Circular Spiral Elliptical None of these ANSWER DOWNLOAD EXAMIANS APP
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