MCQOPTIONS
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| 1. |
White light used to illuminate the two slits in Young's double slit experiment. The separation between the slits is d and the distance between the screen and the slit is D(>>d). At a point on the screen in front of one of the slits, certain wave- lengths are missing. The missing wavelengths are |
| A. | \[\lambda =\frac{{{d}^{2}}}{(2n+1)D}\] |
| B. | \[\lambda =\frac{(2n+1){{d}^{2}}}{D}\] |
| C. | \[\lambda =\frac{{{d}^{2}}}{(n+1)D}\] |
| D. | \[\lambda =\frac{(n+1)D}{{{d}^{2}}}\] |
| Answer» B. \[\lambda =\frac{(2n+1){{d}^{2}}}{D}\] | |