Physics A small gap is left at the joints of rails in a railway track to Avoid the heating of tracks to high temperature Keep the rails equidistant Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation ANSWER DOWNLOAD EXAMIANS APP
Physics Electromagnet is constructed with which of the following ? Nickel Aluminium Soft Iron Steel Nickel Aluminium Soft Iron Steel ANSWER DOWNLOAD EXAMIANS APP
Physics Surface tension in a liquid is due to : Cohesive force between molecules Gravitational force between molecules Electrical force between molecules. Adhesive force betweenmolecules Cohesive force between molecules Gravitational force between molecules Electrical force between molecules. Adhesive force betweenmolecules ANSWER DOWNLOAD EXAMIANS APP
Physics Heat from the Sun reaches the Earth by Radiation Convection Reflection Conduction Radiation Convection Reflection Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics The work done by the string of a simple pendulum during one complete oscillation is equal to Zero Kinetic energy of the pendulum Potential energy of the pendulum Total energy of the pendulum Zero Kinetic energy of the pendulum Potential energy of the pendulum Total energy of the pendulum ANSWER DOWNLOAD EXAMIANS APP
Physics Pick out the scalar quantity Acceleration Velocity Force Pressure Acceleration Velocity Force Pressure ANSWER DOWNLOAD EXAMIANS APP