Question: If unpolarized light passes through a polarizer, what fraction of the light intensity is transmitted?
Options:
0%
25%
50%
100%
Correct Answer: 50%
Solution:
When unpolarized light passes through a polarizer, 50% of the light intensity is transmitted.
If unpolarized light passes through a polarizer, what fraction of the light inte
Practice Questions
Q1
If unpolarized light passes through a polarizer, what fraction of the light intensity is transmitted?
0%
25%
50%
100%
Questions & Step-by-Step Solutions
If unpolarized light passes through a polarizer, what fraction of the light intensity is transmitted?
Step 1: Understand that unpolarized light consists of waves vibrating in multiple directions.
Step 2: Know that a polarizer is a device that only allows light waves vibrating in a specific direction to pass through.
Step 3: When unpolarized light hits the polarizer, the polarizer will only allow half of the light intensity to pass through.
Step 4: Therefore, the fraction of light intensity transmitted through the polarizer is 50%.
Polarization of Light – Unpolarized light consists of waves vibrating in multiple planes, and when it passes through a polarizer, only the component of light aligned with the polarizer's axis is transmitted.
Intensity Transmission – The intensity of light is reduced by half when unpolarized light passes through a polarizer, resulting in 50% transmission.
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