In YDSE, what is the ratio of fringe width for bright and dark fringes ?
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To solve the problem of finding the ratio of fringe width for bright and dark fringes in Young's Double Slit Experiment (YDSE), we can follow these steps:
### Step-by-Step Solution:
1. **Understanding Fringe Width**: In YDSE, the fringe width (β) is defined as the distance between two consecutive bright or dark fringes on the screen. It is given by the formula:
\[
\beta = \frac{\lambda D}{d}
\]
...
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