Which of these two light waves emit a brighter light? (8.P.3A.2)

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2 points
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They both emit the same brightness because they have the same wavelength
Orange, because it has a smaller wavelength
Blue, because it has a larger amplitude
Orange, because it has a smaller amplitude
Blue, because it has a greater wavelength
They both emit the same brightness because they have the same amplitude

The correct answer is: They both emit the same brightness because they have the same amplitude.