The visible spectrum is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye. Electromagnetic radiation in this range of wavelengths is called visible light or simply light. A typical human eye will respond to wavelengthsfromabout390to750nminterms of angstrom it is in between 3900 - 7600 A°.
14 36 80 168 ? 696
Complete the series choosing the missing number.
110, 99, 86, ___, 54, 35.
47, 72, 122, ?, 297, 422
150, 158, 131, 195, 70, ?
324 972 486 1458 729 ?
...140, 146, 158, 176, ?, 230
45, 166, 607, 1568, 3249, ?
1000 100 20 ? 2.4 1.2
289 169 121 ? 25 9
...415 246 367 ? 335 310
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