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Unit 2 Review & Assessment Answers. Chapter 15 l ongitudinal b. troughs c. compressions A 2.B 3. B 4. B 5. D 6. D 7. B 8. C Chapter 16 l ongitudinal waves b. frequency c. elasticity d. temperature e. loudness B 2. A. 3. D. 4. c 5. A 6. Density 7. Pitch
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Unit 2 Review & Assessment Answers Chapter 15 longitudinal b. troughs c. compressions A 2.B 3. B 4. B 5. D 6. D 7. B 8. C Chapter 16 longitudinal waves b. frequency c. elasticity d. temperature e. loudness B 2. A. 3. D. 4. c 5. A 6. Density 7. Pitch 8. TRUE 9. Eardrum 10. TRUE
Chapter 17 • magnetic fields b. light c. frequencies 1. C 2. D 3. A 4. A 5. C 6. TRUE 7. visible light 8. luminous 9.fluorescent light 10. amplitude modulation Chapter 18 • Virtual b. Concave c. Converge or meetd. Virtual e.Converge or meet f. Real or virtual g. Concave h. Spread out 1. B 2. C 3. B 4. C 5. C 6. TRUE 7. TRUE 8. TRUE 9.farsighted 10. Optical fibers