Physics

Chapters 15 - 19 Outline

Wave Behaviors of Sound and Light

 

We will be studying parts of chapters 22-23. Notes are available on line. Pay special attention to Ohm's Law and calculating voltages, resistances and currents in series and parallel circuits.

 

Please go to chapters 22-23 to get a pdf file of the reference sheets for the exam. It will appear as a link at the bottom of this page.

 

See below for sample questions for the chapter 15-19 test!!!!!!!

Overview - This unit is an overview of some of the applications of waves that we studied in Chapter 14. In this unit we will cover properties of sound, light, reflection and refraction, mirrors and lenses and diffraction and interference.

Objective: - Study the wave behaviors of sound and light

Start Date: - April 19th, 2006

Due Date: - April 27th, 2006

Study Guides Due: April 25th

Homework Due: April 26th

Lab Dates: April 24 and 25

Assignment: 

    Chapter 15 - sound, Doppler shift, resonance, standing waves.

    Chapter 16 - Light, ray optics, speed of light, luminance, color, polarization.

    Chapter 17 - reflection and refraction, Snell's Law.

    Chapter 18 - Mirrors and Lenses, virtual and real images, ray optics.

    Chapter 19 - Interference and Diffraction, one and two slit patterns,

Web Resources:

 

[ Home | Overview | Tips | Notes | Chapters 15-19 Studyguide

Extra Credit |   Ray Optics Practice

1. _____ Echoes demonstrate _____ of sound waves.

2. _____ Sound is a(n) _____ wave.

 3. ____ After an approaching ambulance passes a stationary observer. The frequency  of the sound emitted by its siren,

                  as heard by the observer …

4. _____ A detected change in the frequency of a sound due to a moving source or a moving observer is

5. _____ Which of the following does not describe the pitch of a sound?

  6. _____ Which of the following is not true of open-pipe resonators?

  7. _____ Light is a(n) _____wave.

8. _____ The wavelength of red light is

9. _____ The _____ of light is a defined value.

10. _____ Thin, white tissue paper can be described as

11. _____ Materials such as concrete that do  not allow any   transmission of light are described as

12. _____ Using primary colors of light to produce other colors is a(n) _____ process.

13. _____ Only waves _____ to the polarizing axis of a polarizing filter can pass through.

14. _____ According to the law of reflection,

15. _____  Refraction occurs when

16. _____ When light rays travel from an optically-dense medium into a less-dense medium,

17. _____ Which of the following is not true of Snell's law?

18. _____ The incident angle for which a refracted ray emerges tangent to the surface of a

medium is the _____ angle.

19. _____ A rainbow is a phenomenon caused by

20. _____  For very small angles, the focal length of a concave mirror is

21. _____  A real image is formed when         

22. _____  Which of the following is not true of a convex mirror?

23. _____ The destructive and constructive interference of light that passes through two closely-spaced slits produces

24. _____ The bending of waves around the edges of barriers is

25. _____What happens when monochromatic light is passed successively through a single narrow

slit and then through a double slit?

 

1. Diagram the standing waves on plucked strings. The relationship between the length of the string and the wavelength of the note is shown for each example. Label nodes and antinodes for various portions of wavelengths

        

                                    example   L = l / 2

 

 

 

 

2. What is a ray? How are rays used to study light?

3. Mathematically describe the relationship between illumination on a surface and the distance the surface is from the light source.

4. What is total internal reflection?

5. Complete the diagram to show the size and location of the image of an object located beyond the center of curvature of a concave mirror.

6. Contrast convex and concave lenses.

7. Complete the diagram to show the size and location of the image produced by a concave lens.

I - A sound wave traveling at a speed of x m/s has a wavelength of y m. What is the frequency of the sound?

The light of a sodium vapor lamp emits light waves with wavelengths of X nm. What is the frequency of the electromagnetic waves?

3. Diamond has an index of refraction of 2.42. If it is immersed in water, which has an index of 1.33, and light rays in the water shine on the diamond at a Xº angle, what is the angle of refraction inside the diamond?