Digital ACT Science Practice Question #1771
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Smaller angle of refraction = larger index of refraction.
As sin(theta_2) decreases, n2 must increase. Diamond has n2 = sin(45)/sin(17) = 2.42....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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