Physics The force of friction between two surfaces will increase if: Irregularities on both the surfaces are removed The two surfaces are pressed harder Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of magnetic permeability is Weber/meter Henry Weber Henry/meter Weber/meter Henry Weber Henry/meter ANSWER DOWNLOAD EXAMIANS APP
Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : F (7/3)f (4/3)f (3/4)f F (7/3)f (4/3)f (3/4)f ANSWER DOWNLOAD EXAMIANS APP
Physics If the spinning speed of the earth is increased then the weight of body at the equator Decreases Increases Double Same Decreases Increases Double Same ANSWER DOWNLOAD EXAMIANS APP
Physics Modem is used mostly for ? Connecting to internet A modern empty memory modules All listed here Mostly for file system Connecting to internet A modern empty memory modules All listed here Mostly for file system ANSWER DOWNLOAD EXAMIANS APP
Physics Parabolic mirrors are used in Car headlights Shaving mirros Driving mirrors Dentists mirros Car headlights Shaving mirros Driving mirrors Dentists mirros ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS