Physics The electric current in a metal wire is due to the flow of - Ions Protons Holes Electrons Ions Protons Holes Electrons ANSWER DOWNLOAD EXAMIANS APP
Physics Which law is also called law of inertia ? All of above Newton third law Newton second law Newton first law All of above Newton third law Newton second law Newton first law ANSWER DOWNLOAD EXAMIANS APP
Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 200J 20 J 400J 40J 200J 20 J 400J 40J ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Decreases with increase of temperature Decreases with decrease of temperature Does not depend on temperature Increases with decrease of temperature Decreases with increase of temperature Decreases with decrease of temperature Does not depend on temperature Increases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Oil rises up the wick in a lamp because Oil is very light Of the surface tension phenomenon Of the capillary action phenomenon Of the diffusion of oil through the wick Oil is very light Of the surface tension phenomenon Of the capillary action phenomenon Of the diffusion of oil through the wick ANSWER DOWNLOAD EXAMIANS APP
Physics If an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in Neither Only the glass tube Only the capillary tube Both Neither Only the glass tube Only the capillary tube Both ANSWER DOWNLOAD EXAMIANS APP