1. What does this statement define The rate of change of position in a fixed direction.   Acceleration   Momentum   Velocity   Speed   Hint Half-n-half Clue   2. Which of the following is attracted by a magnet?   Sodium   Glass   Iron   Leather   Half-n-half Clue   3. A bicycle dynamo generates Direct Current.   True   False   4. Bending of light rays when they enter a different medium is known as   Refraction   Radiation   Reflection   Convection   Half-n-half Clue   5. When a spring is released, its potential energy is converted to   Light Energy   Electrical Energy   Magnetic Energy   Kinetic Energy   Half-n-half Clue   6. What type of lens is a magnifying glass?   Convex   Concave   Plano-Concave   Plane Glass   Half-n-half Clue   7. The SI unit of electric current is   Farad   Ohm   Mho    Ampere   Half-n-half Clue