How does the fringe spacing change when the distance between the slits is increased?
Explanation:
The fringe spacing is called the bandwidth. The bandwidth is given by the formula
is the wavelength of the light
is the distance between the source and the screen
is the distance between the two slits
From the formula, we understand if the distance between the source and the screen is increased then the fringe spacing increases.
Knows that as becomes longer, the distance between different fringes decreases. This is consistent with the observation that has an inverse relationship with the distances between different fringes.
3. We observe that and are inversely related, and and are directly related.
4. Here, the relationship between the fringing width and the slit separation is inverse; as a result, as the fringing width increases, the slit separation decreases.