Which color has the longest wavelength among the listed ranges?

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Prepare for the Chemistry 1LC Practical Test. Engage with multiple choice questions, interactive flashcards, and detailed explanations to enhance your understanding and boost your confidence for the exam.

Multiple Choice

Which color has the longest wavelength among the listed ranges?

Explanation:
Visible light colors map to specific wavelengths. Red light sits at the long-wavelength end of the visible spectrum, roughly 620–750 nanometers, which is longer than green, blue, or violet. Since wavelength decreases as you move from red to violet, red has the longest wavelength among these colors. Longer wavelength corresponds to lower frequency and lower energy, if you’re thinking about the physics behind it.

Visible light colors map to specific wavelengths. Red light sits at the long-wavelength end of the visible spectrum, roughly 620–750 nanometers, which is longer than green, blue, or violet. Since wavelength decreases as you move from red to violet, red has the longest wavelength among these colors. Longer wavelength corresponds to lower frequency and lower energy, if you’re thinking about the physics behind it.

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