1. What is the name given to the band of seven colors formed by splitting of light by a prism?   Prism Band   Spectrum   Color Band   Color Arc   Hint Half-n-half Clue   2. What is the speed of sound in air in meters per second (at a pressure of one atmosphere and temperature of 25oC)?   110   330   490   230   Half-n-half Clue   3. The SI unit of electric current is   Mho    Farad   Ohm   Ampere   Half-n-half Clue   4. A bicycle dynamo generates Direct Current.   True   False   5. When a spring is released, its potential energy is converted to   Electrical Energy   Kinetic Energy   Magnetic Energy   Light Energy   Half-n-half Clue   6. The presence of charge on a substance can be confirmed by a   Thermometer   Gold Leaf Electroscope   Electrodes   Ammeter   Half-n-half Clue   7. A freely suspended magnet always aligns itself along the   North South Axis   West South Axis   East West Axis   East South Axis   Half-n-half Clue