Digital ACT Science Practice Question #1514
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Distance D doubles -> fringe y doubles (32.5 to 65.0 cm).
Y = m*lambda*D / d. Fringe separation y is directly proportional to screen distance D (32.5 -> 65.0 -> 97.5 cm)....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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