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Physics Quiz

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1. what is a analong signal?




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2. what are the two formulas for the speed of a wave?




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3. which medium does sound travel the fastest in?




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4. what is the Doppler effect?




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5. what direction does a longitudinal wave travel?




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6. how do bones look on xrays




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7. how does light interact with opaque?




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8. how does soft tissue look like on x rays




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9. why do blue and yellow combine to produce white light?




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10. name the electromagnetic spectrum in order of increasing frequencies.




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11. what is it made of and the color of light that strikes it.




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12. a material that does not conduct charge well- rubber and wood




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13. it is scattered




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14.  E= current x voltage




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15. green, red and blue- create all possible colors




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16.  has constructive and destructive interference.




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17. encodes information as a string of 1's and 0's




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18. how they're produced and how they travel.




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19. blue.




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20. the more energy a wave has the greater the amplitude.





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