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The Light Spectrum

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Visible light has wavelengths between 400-700 nm. (correct)

Visible light has wavelengths longer than infrared.

Visible light is a type of gamma radiation.

Visible light has frequencies between 750-420 terahertz.

Propagation direction

Frequency

Intensity

Mass (correct)

$2.98 \times 10^8$ m/s

$2.99 \times 10^8$ m/s

$3.00 \times 10^8$ m/s (correct)

$3.14 \times 10^8$ m/s

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