1. The wire of an electric bulb is known as the   Luminous Wire   Heating Element   Radiator   Filament   Hint Half-n-half Clue   2. A freely suspended magnet always aligns itself along the   West South Axis   East West Axis   East South Axis   North South Axis   Half-n-half Clue   3. The high pitched cries of a bat are above human hearing.   True   False   4. By which of the following methods does heat transfer not take place?   Conduction   Refraction   Convection   Radiation   Half-n-half Clue   5. Light travels in a   Straight Line   Hyperbolic Path   Circular Path   Parabolic Path   Half-n-half Clue   6. A bicycle dynamo generates Direct Current.   True   False   7. What is the name given to the band of seven colors formed by splitting of light by a prism?   Prism Band   Spectrum   Color Arc   Color Band   Half-n-half Clue