AP Physics 2mediummcq1 pt
Increasing the wavelength of light in a double-slit experiment
A.spreads the fringes farther apart
B.squeezes the fringes together
C.erases the pattern
D.has no effect
Explanation
Core Concept
Fringe spacing ∝ λ, so longer waves separate more.
Correct Answer
Aspreads the fringes farther apart
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