Physics When a piece of pure silicon is doped with aluminium, then The doped silicon piece will become p-type The doped silicon piece will become n-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 p-type The doped silicon piece will become n-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 Momentum is measured as the product of : Mass and acceleration Mass and force Mass and velocity Mass and inertia Mass and acceleration Mass and force Mass and velocity Mass and inertia ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to low air pressure Due to high humidity Due to low temperature Due to ozone Due to low air pressure Due to high humidity Due to low temperature Due to ozone ANSWER DOWNLOAD EXAMIANS APP
Physics Good conductor of electricity is Dry air Graphite Kerosene Paper Dry air Graphite Kerosene Paper ANSWER DOWNLOAD EXAMIANS APP
Physics Specific gravity is defined as the ratio of Density of the substance to the density of water Density of the substance to the density of water at 4°C Density of water at 4°C to the density of the substance Density of the substance to the density of water at 0°C Density of the substance to the density of water Density of the substance to the density of water at 4°C Density of water at 4°C to the density of the substance Density of the substance to the density of water at 0°C ANSWER DOWNLOAD EXAMIANS APP
Physics Dioptre is the unit of Focal length of a lens Sound intensity Power of a lens Light intensity Focal length of a lens Sound intensity Power of a lens Light intensity ANSWER DOWNLOAD EXAMIANS APP