C37 - Wave Optics

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10 Terms

1

conditions for bright slit

2

conditions for dark slit

3

ybright

4

ydark

5

light intensity

6

phase change at reflections

  • 180º if n2 > n1

  • 0º if n2 < n1

7

interference @ thin film (constructive)

λn = λ/n

8

interference @ thin film (destructive)

λn = λ/n

9

Newton’s rings

when thin film height varies over an area, leading to rings of constructive/destructive interference

10

Michelson interferometer

splits one light ray into two

  • varying one of the mirror’s path lengths allows for accurate data on light interference