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Cards (22)
- What should you never do when operating a laser?
- Why should reflective surfaces be avoided near a laser?
- What should be displayed when a laser is in use?
- Why is a matt screen used for displaying interference patterns?
- How should fringe spacing be measured in an interference pattern?
- If measuring from the first to the twelfth bright fringe, what number do you divide by?
- What instrument can be used to measure slit separation?
- What instrument can measure the distance from the slit to the screen?
- What equation links wavelength, slit separation, distance from screen, and fringe spacing?
- How can the wavelength of the laser be determined from a graph?
- What is monochromatic light?
- What does it mean for two light sources to be coherent?
- What happens to light as it passes through a slit?
- Why do bright fringes form on a screen in a double slit experiment?
- Why do dark fringes form on a screen in a double slit experiment?
- Why is light passed through a single slit before a double slit?
- Describe the interference pattern produced with white light through double slits.
- What equation is used to determine the wavelength of light with a diffraction grating?
- How is diffraction grating spacing calculated?
- How can the angle to a higher order line be calculated?
- How does a diffraction pattern from a double slit compare to one from a diffraction grating?
- Suggest a use for a diffraction grating.