The range of visible light extends from 400nm to 700nm. What is the range of visible frequencies of light

fmin, fmax
in units of Hz

SPEED OF WAVE = frequency * wavelength

Frequency = Speed of wave/wavelength

speed of light = 3*10^8 m/s


Clear the prefix on nanometers.

You will end up getting approximately 4.3*10^14 Hz through 7.5*10^14 Hz.

It turns out that their range of nanometers isn't exactly correct. The real range is more like 380 nm to 750 nm. And the corresponding reversed frequency range is, 400 THz to 790 THz. Terahertz.

Relation between wavelength and frequncy is given as c=f*wavelength
you have wavelengthmin=400nm
and wavelengthmax=700nm

and c=3x(10*8)m/s

thus you get 750 teraHertz and 428.5714 teraHertz as fmax and fmin

1 teraHertz=10^12 hz

Hope this helps you.

the frequency is 1/wavelength. So it's 1/400nm to 1/700nm = 2.5MHz to 1.43MHz

how the **** do you think i know?