In a double-slit experiment, what happens to the interference pattern if the dis

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Question: In a double-slit experiment, what happens to the interference pattern if the distance between the slits is increased?

Options:

Correct Answer: Pattern becomes narrower

Solution:

Increasing the distance between the slits decreases the fringe width, making the pattern narrower.

In a double-slit experiment, what happens to the interference pattern if the distance between the slits is increased?

In a double-slit experiment, what happens to the interference pattern if the distance between the slits is increased?

Correct Answer: Fringe width decreases, pattern becomes narrower.

Step 1: Understand the double-slit experiment. It involves light passing through two slits and creating an interference pattern on a screen.
Step 2: Know what fringe width is. Fringe width is the distance between the bright or dark lines in the interference pattern.
Step 3: Recognize that the distance between the slits affects the interference pattern. If the slits are closer together, the fringes are wider apart.
Step 4: If you increase the distance between the slits, the fringes become narrower. This means the bright and dark lines are closer together.
Step 5: Conclude that increasing the distance between the slits decreases the fringe width, making the pattern narrower.

Interference Pattern – The pattern created by the superposition of waves from two slits, characterized by alternating bright and dark fringes.
Fringe Width – The distance between adjacent bright or dark fringes in an interference pattern, which is affected by the distance between the slits.
Double-Slit Experiment – A fundamental experiment in quantum mechanics demonstrating the wave-particle duality of light and matter.