If the Distance Between the Slits in a Double-Slit Apparatus

question 47

Multiple Choice

If the distance between the slits in a double-slit apparatus is increased, while the width of each slit is kept the same, the number of interference fringes within the central diffraction maximum will

• A) decrease.
• B) increase.
• C) remain the same.
• D) may do any of the above.

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