Interference
About the Lecture
The lecture Interference by Jared Rovny, PhD is from the course Light: Electromagnetic Radiation.
Included Quiz Questions
When a beam of light is sent through two slits, what pattern is observed on a screen?
- A diffraction pattern of bright and dark fringes of light
- Two bright bands of light
- Two bright bands and a diffraction pattern, as if light is behaving simultaneously like a wave and a particle
- The light will destructively interfere on the screen, and dark fringes will be observed
- The light will constructively interfere, creating a single bright spot in the middle of the two slits on the screen
How are bright and dark bands of light created on a screen when light passes through 2 slits?
- Constructive interference causes bright bands, while destructive interference causes dark bands
- Destructive interference causes bright bands, while constructive interference causes dark bands
- Different frequencies of light interfere to produce different levels of brightness
- Different wavelengths of light interfere to produce different levels of brightness
- Particles of light collide to combine or destroy their energy related to their frequency
When light hits oil on water which two reflected lights interfere which each other to create an interference pattern as seen by the observer?
- Light reflected from the oil interferes with light which penetrated the oil and is reflected from the lower surface which is water
- The two light rays reflected from two different points on the surface of the oil interfere
- Two light rays reflected from two different points on the surface of the water below the oil interfere
- The light ray reflected from the surface of the oil and the light ray reflected from the surface of the container or ground beneath the water interfere
- The light ray reflected from the surface of the water below the oil and the light ray reflected from the surface of the container or ground beneath the water interfere
When light reflects off oil on water the two reflected lights from the surface of oil and the surface of water underneath the oil interfere. How does this result in a colorful pattern of lights?
- Different colors of light have different wavelengths hence some wavelengths will interfere constructively and those are the brighter colors we see and some will interfere destructively and those are the darker colors seen.
- The lights are refracted at different angles due to the different index of refraction of colors of the light hence we see a colorful pattern.
- The oil medium separates light into its different colors.
- The oil droplets in water act similar to water droplets in the atmosphere which refract the sunlight to form a rainbow.
- The interference of the two reflected lights causes the colors of light to separate from each other hence we see a colorful pattern of light.
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Author of lecture Interference
Jared Rovny, PhD
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Superb !!! An Elaborate amount of the knowledge about physics is provided beautifully and consistently !!! Jared Rovny is best lecturer I have ever seen in my life !!!
