In Thomas Young's double-slit experiment, what phenomenon occurs when the crests of light waves coincide?
Understand the Problem
The question asks what phenomenon occurs in Thomas Young's double-slit experiment when the crests of light waves coincide. We need to identify the correct term that describes this specific interaction of light waves.
Answer
Constructive interference.
In Thomas Young's double-slit experiment, when the crests of light waves coincide, constructive interference occurs, resulting in a brighter area on the screen.
Answer for screen readers
In Thomas Young's double-slit experiment, when the crests of light waves coincide, constructive interference occurs, resulting in a brighter area on the screen.
More Information
Constructive interference happens when two waves combine to create a larger wave. In Young's double-slit experiment, it leads to bright fringes on the screen due to the increased amplitude of the light waves.
Tips
A common mistake is confusing constructive interference with destructive interference, which occurs when the crest of one wave meets the trough of another, resulting in cancellation or a darker area.
Sources
- 27.3 Young's Double Slit Experiment - College Physics I - Fiveable - library.fiveable.me
- 3.2: Young's Double-Slit Interference - Physics LibreTexts - phys.libretexts.org
- Light - Wave, Interference, Diffraction | Britannica - britannica.com
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