Concept explainers
The slit width.
Answer to Problem 21P
Explanation of Solution
Given info:
Wavelength,
Angle,
Formula used:
Where,
Calculation:
The path difference is an integral multiple of the wavelength in constructive interference.
Rearrange the given formula:
The angle from the central maximum to the first bright fringe,
For constructive interference from the single slit, the path difference is
For the first fringe away from the central maximum:
This gives
Conclusion: The required width is
Chapter 24 Solutions
Physics: Principles with Applications
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