Which One of the Following Mathematical Expressions Is Correct for Destructive

question 6

Multiple Choice

Which one of the following mathematical expressions is correct for destructive interference for two beams of light in the double slit experiment?

• A) Path Difference = (m - 1/2) λ, m = 0, ±1, ±2, . . .
• B) Path Difference = λ/m, m = 0, ±1, ±2, . . .
• C) Path Difference = mλ, m = 0, ±1, ±2, . . .
• D) Path Difference = mλ², m = 0, ±1, ±2, . . .
• E) Path Difference = m/λ, m = 0, ±1, ±2, . . .

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