At Most, How Many Bright Fringes Can Be Formed on Each

question 7

Multiple Choice

At most, how many bright fringes can be formed on each side of the central bright fringe (not counting the central bright fringe) when light of 625 nm falls on a double slit whose spacing is 1.97 × 10^-6 m?

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

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