Double Slit Experiment
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How is the double slit experiment conducted?
The experiment involves shooting a beam of photons at a wall with two slits that sits directly in front of another wall.
What should we be able to see with the double slit experiment and what was the first initial out come.
We should expect to see two identical slits on the other side but what we actually see is alternating light and dark bands displayed across the back wall.
Why do we see scattered light and dark bands instead of what we thought we would normally see with the double slit experiment?
When the light passes through the two slits it acts in the characteristics of waves passing through the slits simultaneously interfering with each other creating the pattern on the back wall.
What happens when two waves interfere with each other?
When two waves overlap each other they will cancel each other out creating a less pronounced effect.
What happens when you shoot a single photon into a double slit?
It passes through both slits at once which suggests that the photons are interfering with themselves.
What happened when scientists created a measuring device to observed the slit each photon passed through?
The interference pattern disappeared and the photons started acting like particles. Instead of the spectrum of light and dark bands we see 2 bright bands Indicating the photons chose the one slit or the other.
What can light display characteristics of & what is it known as?
Light can display characteristics of both wave and particles known as wave particle duality.
In simple terms, what did the double slit experiment proved.
It proved that light decides to act like a wave when it’s not being watched and acts like a particle when it is being observed. The mere act of observing what slit the photon went through changed its behaviour almost like it knew we were watching.
How can you relate the double slit experiment with video game?
It’s kind of like a video game where the world and objects only load when the player observes them.
What is the Hawthorne effect?
It is a type of human behaviour reactivity in which individuals change their behaviour in response to being watched.
How do waves interact with each other?
If a wave and a wave meets it becomes more pronounced. If a trough and a trough meets it becomes more pronounced If a wave and a trough meets they cancel each other out.
The amount of light is proportionate to what?
Amount of light is proportionate to the amount of waving. When there is waving = light. when there is no waving = no light.
What is frequency to a wave length
Frequency is the time analogue of a wave length.