density
centripetal force
viscosity
surface tension
A liquid flows through a capillary tube. Then the velocity of the liquid is
A long Rail (approximately 700 meters) made up of steel is struck to produce a sound. The person standing on the other end of the rail would hear in which among the following pattern?
A machine powered by rotating blades is a
A magnetic field does not interact with
A magnetic needle is kept in a non-uniform management field. It experiences
A man carrying a load on his back bends forward because of one of the following reasons
A man in a train moving with a constant velocity drops a ball on the platform. The path of the ball as seen by an observer standing on the platform is
A man inside an artificial satellite feels weightlessness as the force of attraction due to earth is
A man is sitting by the side of a large lake. He hears the utterances of bathers with their mouth close to water surface more clearly than if they were at same distance away on land. This effect is due to sound waves undergoing
A man is sitting in a boat which is floating in pond. If the man drinks some water from the pond, the level of water in the pond will
