How many times per second must you comb hair back and forth to generate visible red light? According to the book, Averag
Posted: Thu Jun 30, 2022 6:38 pm
How many times per second must you comb hair back and forth togenerate visible red light?
According to the book, Average wavelength range for red light is600 and 700 nanometers (a nanometer is 10^-9 meter, about 40billionths of an inch).
According to the book, Average wavelength range for red light is600 and 700 nanometers (a nanometer is 10^-9 meter, about 40billionths of an inch).