One of the light waves produced when hydrogen is energized has a wavelength of 4.105 x10^-7 m. What is the frequency of this light?

7.3 x 10¹⁴Hz

Explanation:

Given parameters:

Wavelength  = 4.105 x 10⁻⁷m

Unknown:

Frequency of the light  =?

Solution:

The frequency, wavelength and speed of a wave are related using the expression below;

           C = f λ

C is the speed of light = 3 x 10⁸

f is the frequency

λ is the wavelength

      3 x 10⁸ = f x 4.105 x 10⁻⁷

              f  =   = 7.3 x 10¹⁴Hz

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.