Digital ACT Science Practice Question #1549
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
d doubles -> fringe spacing halves (4.2 to 2.1 mm).
Delta y = lambda * L / d. Fringe spacing is inversely proportional to slit separation. Doubling d halves delta y (4.2 mm -> 2.1 mm)....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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