Young's interference experiment problem

In summary, the problem involves two sources, S1 and S2, emitting radio waves of wavelength λ in all directions. The sources are in phase and separated by a distance of 1.5λ. The question asks about the interference produced by traveling along paths 1, 2, and 3, and whether it results in a maximum, minimum, or alternating maxima and minima. The equations for bright and dark fringes in Young's experiment are also mentioned, but the application to this problem is unclear.
  • #1
downwithsocks
37
0

Homework Statement


Figure 35-25 shows two sources S1 and S2 that emit radio waves of wavelength λ in all directions. The sources are exactly in phase and are separated by a distance equal to 1.5λ. The vertical broken line is the perpendicular bisector of the distance between the sources. (a) If we start at the indicated start point and travel along path 1, does the interference produce a maximum all along the path, a minimum all along the path, or alternating maxima and minima? Repeat for (b) path 2 and (c) path 3.

1pcqv8.jpg

Homework Equations


[tex]\Delta[/tex]L = dsin[tex]\theta[/tex] m[tex]\lambda[/tex] - bright fringes
[tex]\Delta[/tex]L = dsin[tex]\theta[/tex] (m+.5)[tex]\lambda[/tex] - dark fringes

The Attempt at a Solution


I'm really not quite sure how to apply the concepts from Young's experiment to this problem. I know how interference produces minima and maxima on a stationary surface a set distance away, but I'm not sure how to relate that to a moving path perpendicular to where that stationary surface would be.
 
Last edited:
Physics news on Phys.org
  • #2
Hey where's the diagram?
 
  • #3
Sorry it showed up for me. Should work now.
 

1. What is Young's interference experiment problem?

The Young's interference experiment problem is a classic physics experiment that demonstrates the wave nature of light. It involves passing light through two parallel slits and observing the resulting interference pattern on a screen.

2. What is the purpose of Young's interference experiment problem?

The purpose of Young's interference experiment problem is to show that light behaves like a wave, with properties such as diffraction and interference. This experiment played a crucial role in the development of the wave theory of light and helped to disprove the previously accepted particle theory of light.

3. What equipment is needed for Young's interference experiment problem?

To perform Young's interference experiment problem, you will need a light source, two narrow slits, and a screen. The light source can be a laser or a monochromatic light bulb. The slits can be created using razor blades or with a thin sheet of metal with two small openings. The screen can be a piece of paper or a white wall.

4. What is the principle behind Young's interference experiment problem?

The principle behind Young's interference experiment problem is that when a coherent light source (such as a laser) is passed through two parallel slits, the light waves from each slit will overlap and interfere with each other. This interference creates a pattern of bright and dark fringes on the screen, known as an interference pattern.

5. What are the applications of Young's interference experiment problem?

Young's interference experiment problem has many applications in physics and other fields. It is used to study the properties of light, such as wavelength and coherence. It is also used in the development of technologies such as holography and interferometry. Additionally, the principles of this experiment have been applied in other areas, including sound waves and electron waves.

Similar threads

  • Introductory Physics Homework Help
Replies
7
Views
233
  • Introductory Physics Homework Help
Replies
3
Views
506
  • Introductory Physics Homework Help
Replies
1
Views
1K
  • Introductory Physics Homework Help
Replies
2
Views
2K
  • Introductory Physics Homework Help
Replies
1
Views
812
  • Introductory Physics Homework Help
Replies
5
Views
1K
Replies
4
Views
173
  • Introductory Physics Homework Help
Replies
5
Views
3K
  • Introductory Physics Homework Help
Replies
9
Views
5K
  • Introductory Physics Homework Help
Replies
4
Views
790
Back
Top