Wave 1 has amplitude of 9.0 units and wave 2 has amplitude 4.0 units.What is the ratio of their intensities,I₁/I₂? A) 20 B) 5.1 C) 2.3 D) 1.5 E) 1.3

Name: Wave 1 has amplitude of 9.0 units and wave 2 has amplitude 4.0 units.What is the ratio of their intensities,I 1 /I 2 ? A) 20 B) 5.1 C) 2.3 D) 1.5 E) 1.3
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Question

Quizplus · Accepted Answer

The intensity of a wave is proportional to the square of its amplitude. Therefore, the ratio of their intensities is (9.0^2) / (4.0^2) = 81 / 16 = 5.0625, which is approximately 5.1.

Wave 1 Has Amplitude of 9