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In a thin film interference, what causes the colors seen in soap bubbles?
In a thin film interference, what causes the colors seen in soap bubbles?
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Practice Questions
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Q1
In a thin film interference, what causes the colors seen in soap bubbles?
Reflection and refraction
Diffraction
Scattering
Absorption
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The colors in soap bubbles are due to thin film interference caused by the reflection and refraction of light at the film's surfaces.
Questions & Step-by-step Solutions
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Q
Q: In a thin film interference, what causes the colors seen in soap bubbles?
Solution:
The colors in soap bubbles are due to thin film interference caused by the reflection and refraction of light at the film's surfaces.
Steps: 6
Show Steps
Step 1: Understand that soap bubbles are made of a thin layer of soap and water.
Step 2: Light hits the surface of the soap bubble and some of it reflects off the top surface.
Step 3: The rest of the light goes into the bubble and reflects off the bottom surface.
Step 4: The light that reflects off the top and bottom surfaces can interfere with each other.
Step 5: Depending on the thickness of the soap film and the angle of the light, some colors will be enhanced while others will be canceled out.
Step 6: This interference creates the beautiful colors we see in soap bubbles.
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