Northern Arizona University Physics Introduction to Waves and Sound Questions
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Question Description
I’m working on a science multi-part question and need a sample draft to help me learn.
Assignment Questions:
- In your own words, explain what a wave is. Why are waves important? What are three properties of every wave? Describe those properties. Answer in ~1 paragraph.
- One fascinating thing about light is that exhibits both particle behavior and wave behavior. What is one specific piece of evidence that it behaves as a particle? What is one piece of evidence that it behaves as a wave? Answer in your own words in 1-2 paragraphs.
- What is reflection? Explain it in your own words, and provide an example. What is refraction? Explain it in your own words, and provide an example. Then explain why these two concepts are important. Answer in 1-2 paragraphs.
- Explain Coulomb’s law as if you were teaching this concept to a 6th grader. Be specific, but make sure your explanation is age-appropriate. Why is Coulomb’s law important? Answer in ~1 paragraph.
- Historically, some of the first power plants distributed direct current to customers. But today, all household electricity comes in alternating current form. Why is alternating current used for power distribution, rather than direct current? Be sure to include a description of alternating current and direct current in your response. Answer in ~1 paragraph.
- What is the main difference between permanent magnets and electromagnets? What are some uses/applications of permanent and electromagnets? Provide at least three examples. Answer in ~1 paragraph.
- Compare and contrast the elements carbon (C) and sodium (Na) in terms of (a) number of protons and electrons (assume the atoms are neutral), (b) mass number, and (c) whether they are metals, nonmetals, or metalloids. Then compare and contrast metals and nonmetals: how do they differ? Answer in ~1 paragraph.
I have attached links to the course’s readings below that may be a valuable resource.
Readings:
An Introduction to Motion, Force, and Newton’s Laws
- Chapter 2: Kinematics – Read Introduction, Sections 2.1 – 2.4, and Section 2.7
- Chapter 4: Dynamics: Force and Newton’s Laws of Motion – Read Introduction and Sections 4.1 – 4.5
- Chapter 5: Further Applications of Newton’s Laws – Read Introduction and Sections 5.1 and 5.2
- Chapter 6: Uniform Circular Motion and Gravitation – Read Introduction and Sections 6.1 – 6.5
Elements, Atoms, Ions, and Matter
- Chapter 1: Essential Ideas – Read Sections 1.1 – 1.5
- Chapter 2: Atoms, Molecules, and Ions – Read Sections 2.1 – 2.6
An Introduction to Waves and Sound
- Section 16.9: Waves
- Section 16.10: Superposition and Interference
- Chapter 17: Physics of Hearing – Read Introduction and Sections 17.1 – 17.7
Light and the Electromagnetic Spectrum
- This reading, from OpenStax Astronomy, provides a brief but comprehensive introduction to light and the electromagnetic spectrum:
The Behavior of Light
- Chapter 25: Introduction to Geometric Optics (OpenStax College Physics) – Read Introduction and Sections 25.1 – 25.7
- Chapter 27: Wave Optics (OpenStax College Physics) – Read Introduction and Sections 27.1 – 27.5 and Section 27.8
- Section 6.1: Electromagnetic Energy (OpenStax Chemistry)
Electricity
- Chapter 18: Electric Charge and Electric Field – Read Introduction and Sections 18.1 – 18.4
- Section 19.1: Electric Potential Energy: Potential Difference
- Chapter 20: Electric Current, Resistance, and Ohm’s Law – Read Introduction and Sections 20.1 – 20.6
Circuits
- Circuit Symbols and Circuit Diagrams
- Two Types of Connections
- Series Circuits
- Parallel Circuits
- Combination Circuits
Magnetism and Electromagnetism
- Magnets and Magnetism:
- All About Circuits. (n.d.) Permanent Magnets.
- OpenStax College Physics Chapter 22: Magnetism – Read Introduction, Sections 22.1 – 22.5 and Section 22.11
- Electromagnetism:
- All About Circuits. (n.d.) Electromagnetism.
- OpenStax College Physics Chapter 23: Introduction to Electromagnetic Induction – Read Introduction and Sections 23.1 and 23.2
- Williams, M. (2016). What are the uses of electromagnets? Universe Today.
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