In a double-slit experiment, if the screen distance is increased, what happens t

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Question: In a double-slit experiment, if the screen distance is increased, what happens to the fringe separation?

Options:

Correct Answer: Fringe separation increases

Solution:

Fringe separation is directly proportional to the distance from the slits to the screen (D), hence it increases.

In a double-slit experiment, if the screen distance is increased, what happens to the fringe separation?

In a double-slit experiment, if the screen distance is increased, what happens to the fringe separation?

Step 1: Understand what the double-slit experiment is. It involves light passing through two slits and creating a pattern of bright and dark lines (fringes) on a screen.
Step 2: Identify the key components: the distance from the slits to the screen is called 'D', and the distance between the bright or dark lines is called 'fringe separation'.
Step 3: Recognize the relationship: fringe separation increases when the distance 'D' increases. This means that if you move the screen further away from the slits, the fringes will spread out more.
Step 4: Conclude that increasing the screen distance results in larger fringe separation.

Double-slit experiment – A fundamental experiment in wave optics demonstrating the wave nature of light through interference patterns.
Fringe separation – The distance between adjacent bright or dark fringes in an interference pattern, which is influenced by the distance from the slits to the screen.
Proportionality – The relationship where fringe separation increases as the distance from the slits to the screen increases.