Physics When a piece of pure silicon is doped with aluminium, then The doped silicon piece will become n-type The resistivity of the doped silicon piece will increase The doped silicon piece will become p-type The conductivity of the doped silicon piece will remain the same The doped silicon piece will become n-type The resistivity of the doped silicon piece will increase The doped silicon piece will become p-type The conductivity of the doped silicon piece will remain the same ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirrors are used as a rear view mirror in motor cycles because It forms real image All of these It forms erect (upright) image It forms smaller image as compared with object It forms real image All of these It forms erect (upright) image It forms smaller image as compared with object ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement? Law of inertia Newton's third law Newton's second law Pascal's law Law of inertia Newton's third law Newton's second law Pascal's law ANSWER DOWNLOAD EXAMIANS APP
Physics Friction can be reduced by changing from Dynamic to Static Sliding to Rolling Rolling to Sliding Static to Dynamic Dynamic to Static Sliding to Rolling Rolling to Sliding Static to Dynamic ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound in air is unaffected by change in Pressure Temperature Humidity Volume Pressure Temperature Humidity Volume ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments Depends on the speeds of various fragments Is zero Is infinity Depends on the total mass of all the fragments Depends on the speeds of various fragments Is zero Is infinity Depends on the total mass of all the fragments ANSWER DOWNLOAD EXAMIANS APP
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