Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Principle of complementary colour Formation of impure spectra Persistence of vision Formation of pure spectra Principle of complementary colour Formation of impure spectra Persistence of vision Formation of pure spectra ANSWER DOWNLOAD EXAMIANS APP
Physics While ascending a hill, the driver of the vehicle keeps the gear ratio Less than 1 Greater than 1 Either equal to or greater than 1 Equal to 1 Less than 1 Greater than 1 Either equal to or greater than 1 Equal to 1 ANSWER DOWNLOAD EXAMIANS APP
Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because Special mechanisms are present in parachute None of these Stone is heavier than parachute A parachute has a larger surface area and air resistance is more Special mechanisms are present in parachute None of these Stone is heavier than parachute A parachute has a larger surface area and air resistance is more ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Air layer between two shirts works as good conductor No radiation of heat takes place Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor No radiation of heat takes place Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat ANSWER DOWNLOAD EXAMIANS APP
Physics In uniform circular motion, the linear velocity is perpendicular to Momentum Force Radius Radius vector Momentum Force Radius Radius vector ANSWER DOWNLOAD EXAMIANS APP
Physics The hair of shaving brush clings together when removed from water due to Viscosity Friction Surface tension Elasticity Viscosity Friction Surface tension Elasticity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS