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| Pregunta | Respuesta |
| Intensity - distance from centre graph for single slit diffraction: | |
| What are the 2 main properties of the graph we should know? | Central maximum twice as wide as other fringes Central maximum much brighter than other fringes |
| If the single slit is made narrower, then.... | Fringe separation is larger Brightness is reduced (as less light over larger spread) |
| If wavelength decreases, then..... | Fringe separation id reduced as wavelength value is further away from value of gap (brightness not effected as it depends on the brightness of a laser and slit length) |
| Single slit vs Double slit : | |
| What is another way to refer to fringe separation? | Maxima separation |
| White light single slit diffraction notes: | Central white fringe Other fringes composed of spectrum Red is the furthest from the centre Dark fringes are smaller |
| Diagram of white light single slit diffraction (the bottom image, as the top is for monochromatic light) : |
Image:
Spalt1 (image/png)
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