Physics Skating on ice is possible because Ice is cold The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The surface of ice is smooth The pressure on the ice due to skate raises its melting point Ice is cold The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The surface of ice is smooth The pressure on the ice due to skate raises its melting point ANSWER DOWNLOAD EXAMIANS APP
Physics When milk is churned, the cream separates from it due to: Centrifugal force Gravitational force Viscous forces Frictional force Centrifugal force Gravitational force Viscous forces Frictional force ANSWER DOWNLOAD EXAMIANS APP
Physics Rear view mirror of car is convex or concave? Concave Convex Both A & B Can't be determined Concave Convex Both A & B Can't be determined ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 2000 80 4000 40 2000 80 4000 40 ANSWER DOWNLOAD EXAMIANS APP
Physics In severe winter, in cold countries water pipes burst because Contraction of water pipes High atmospheric pressure Combined effect of all the above three Water expands on freezing Contraction of water pipes High atmospheric pressure Combined effect of all the above three Water expands on freezing ANSWER DOWNLOAD EXAMIANS APP
Physics A ball is thrown vertically upward from the ground. It crosses a point at the height of 25 m twice at an interval of 4 seconds. The ball was thrown with the velocity of 25 m/s 36 m/s 30 m/s 18 m/s 25 m/s 36 m/s 30 m/s 18 m/s ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS