Introduction
This experiment is designed to explore the interference of light using a human hair. The thickness of human hair was measured using two method : characteristic of light interference and micrometer.
Procedure
1. Tape a hair cross the punch hole of a card.
2. Mount the laser toward the white board through the hole. -> measure the distance from the card to the wall, marked the minima on the white board.
3. Measure the thickness of same hair using micrometer
Data/Discussion
Conclusion
By comparing value from micrometer measurement with light measurement, the light interference gave very accurate results.
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