2009 Free Response Form B
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Key concepts:
1. The speed of light in a non-air medium.
2. How to find the speed of a wave using its frequency and wavelength.
3. What changes when light changes medium - and what doesn't.
4. When light undergoes phase changes.
5. How to find the minimum thickness of a film when thin film interference occurs.
6. How light refracts.
1. The speed of light in a non-air medium.
2. How to find the speed of a wave using its frequency and wavelength.
3. What changes when light changes medium - and what doesn't.
4. When light undergoes phase changes.
5. How to find the minimum thickness of a film when thin film interference occurs.
6. How light refracts.
2009 Free Response
Click to enlarge image.
Key concepts:
1. How to find the frequency of a wave using its speed and wavelength.
2. How to find the position of dark fringes in a double slit setup.
3. What changes when light changes medium - and what doesn't.
4. The wavelength of light in a non-air medium.
1. How to find the frequency of a wave using its speed and wavelength.
2. How to find the position of dark fringes in a double slit setup.
3. What changes when light changes medium - and what doesn't.
4. The wavelength of light in a non-air medium.
2006 Free Response
Click to enlarge image.
Key concepts:
1. When light undergoes phase changes.
2. How to find the minimum thickness of a film when thin film interference occurs.
1. When light undergoes phase changes.
2. How to find the minimum thickness of a film when thin film interference occurs.
Solutions
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2009 FRQ B
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2009 FRQ
c) frequency of light doesn't change across mediums.
d) wavelength decreases because light travels slower in mediums with higher indices of refraction, but frequency doesn't change.
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2006 FRQ
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