Physics Final Exam Review
Spring Semester
Instructor Mrs. Teel
Vocabulary:
1.Wave
2. Period
3. Frequency
4. Amplitude
5. Wavelength
6. Resonance
7. Reflection
8. Refraction
9. Interference
10. Node
11. Antinode
12. Electromagnetic wave
13. Primary colors of light
14. Complementary colors of light
15. Color addition
16. Color subtraction
17. Diffraction
18. Mechanical wave
19. Transparent
20. Translucent
21. Opaque
22. Plane mirror
23. Converging lens
24. Diverging lens
25. Transverse wave
26. Longitudinal wave
27. Resonance
28. Series Circuit
29. Parallel Circuit
30. Short Circuit
31. Resistance
32. Circuit
33. Power
34. Ampere
35. Voltage
Problems:
1. You did your finger into a pool of water up and down one complete cycle every 5 seconds. What is the frequency of your dipping?
2. A wave travels 10 meters in 20 seconds. What is the wave’s velocity?
3. If you triple the frequency of a vibrating object what happens to the period?
4. X-rays travel at the speed of light. The wavelength of an X-ray received at 300,000,000 hertz is what?
5. What is the wavelength of an electromagnetic wave that has a 3 Hz frequency?
6. Joe’s face is 50 cm in front of a plane mirror. Where is the image of Joe’s face?
7. What is the resistance of a toaster that uses 1.5 A of current when connected to a 110 volt power source?
8. When connected to a 110 volt power supply, how much current exists in a light bulb that has a resistance of 120 ohms?
9. How much power is used by a 9.0 volt battery flashlight that draws 1.0 A of current?
10. When plugged into a 110 V wall outlet, how much current is used by a toater rated at 1500 W?
11. An object 15.8 cm high is located 87.6 cm from a concave mirror that has a focal length of 17.0 cm.
c. Is the image a real or virtual image?
12.A ray of light passes from an unknown substance into air. If the angle in the unknown substance is 35.0° and the angle in air is 52.0°, what is the index of refraction of the unknown substance?