1. | Light travels in a |
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2. | What is the speed of sound in air in meters per second (at a pressure of one atmosphere and temperature of 25oC)? |
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3. | When a spring is released, its potential energy is converted to |
| Half-n-half Clue
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4. | The presence of charge on a substance can be confirmed by a |
| Half-n-half Clue
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5. | Which of the following is not a good heat insulator? |
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6. | Bending of light rays when they enter a different medium is known as |
| Half-n-half Clue
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7. | Conductors have a _______ resistance. |
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