General Awareness -Physics -Friction 1-The force which opposes the relative motion of two surfaces of bodies in contact is called frictional force. 2-Frictional force acts in the opposite direction of the applied force. 3-Frictional force is the force that slows down the moving bodies. 4-Frictional force occurs due to interlocking of irregularities in the surfaces. … Read more
General Awareness -Physics -Force 1-Force is a physical quantity which changes or tends to change the position of a body. It is a push or pull. 2-If there is a physical contact between the two bodies which are interacting then the force applied is called Contact force.Muscular force, force of friction ,normal force,tension are examples … Read more
General Awareness – Physics 1-The process of using X rays in medical diagnosis is called radiography. 2-The radiations that have wavelengths larger than those of visible light is Infrared. 3-The radiations that can be detected by Thermopiles,voltmeters etc are infrared. 4-Infrared radiations can be used to take photographs of objects in darkness. 5-The process of … Read more
General Awareness – Physics 1-Smallest length that can be measured accurately using any scale is called Least Count. 2-A Screw Gauge works on the principle of screw in nut. 3-The distance between two adjacents threads of a screw is called pitch of the screw. 4-A mechanical device which combines a main scale and a vernier … Read more
General Awareness -Physics 1-Galileo Galilei discovered the law of inertia. 2-The ability of a liquid to rise by defying gravity is called Capillarity. 3-Gravitational Force the weakest force in the universe . 4- Nuclear Force is the strongest force in the universe. 5-Rate of change of displacement is called as Velocity. 6- Transformer works on … Read more