Physics Oil raise up the wick in a lamp. The principle involves the diffusion of oil through the wick volatility of oil the liquid state of oil capillary action phenomenon the diffusion of oil through the wick volatility of oil the liquid state of oil capillary action phenomenon ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? The density of needle is less than that of water Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape The density of needle is less than that of water Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape ANSWER DOWNLOAD EXAMIANS APP
Physics Submerged objects can be located using Sonar Quasar Pulsar Radar Sonar Quasar Pulsar Radar ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound is more in Wood Steel Water Air Wood Steel Water Air ANSWER DOWNLOAD EXAMIANS APP
Physics An object having the capability to do work is said to possess Pressure Energy Inertia Force Pressure Energy Inertia Force ANSWER DOWNLOAD EXAMIANS APP
Physics Inside an aeroplane, flying at a high altitude, the pressure is the same as that outside. normal atmospheric pressure is maintained by the use of air pumps. the pressure inside is less than the pressure outside. normal humidity and partial vacuum are maintained. the pressure is the same as that outside. normal atmospheric pressure is maintained by the use of air pumps. the pressure inside is less than the pressure outside. normal humidity and partial vacuum are maintained. ANSWER DOWNLOAD EXAMIANS APP