3. el ojo es sensible a ondas electromagnéticas cuyas longitudes de onda están comprendidas en el entorno de 4 x 10 -7m y 7 x 10 -7m aproximadamente. ¿cuáles son las frecuencias de esos valores límites sabiendo que la velocidad de la luz c = 3 x 108 m/s.

and

Explanation:

The question in english is written below:

The eye is sensitive to electromagnetic waves whose wavelengths are approximately between and . What are the frequencies of these limit values knowing that the speed of light ?

There is an inverse relationship between the frequency and the wavelength :

(1)  

Where:

is the speed of light

is the wavelength

Knowing this, we can find the frequency for the given wavelengths: