1. Light travels in a   Hyperbolic Path   Parabolic Path   Circular Path   Straight Line   Hint Half-n-half Clue   2. The presence of charge on a substance can be confirmed by a   Gold Leaf Electroscope   Ammeter   Thermometer   Electrodes   Half-n-half Clue   3. Which of the following is attracted by a magnet?   Leather   Glass   Sodium   Iron   Half-n-half Clue   4. The high pitched cries of a bat are above human hearing.   True   False   5. A bicycle dynamo generates Direct Current.   True   False   6. Bending of light rays when they enter a different medium is known as   Reflection   Refraction   Convection   Radiation   Half-n-half Clue   7. How much heat is required to raise the temperature of 1g of water by 1 oC.   100 Joules   100 Calories   1 Calorie   1 Joule   Half-n-half Clue