A line in the spectrum of atomic mercury has a wavelength of 254 nm.When mercury emits a photon of light at this wavelength,the frequency of this light is A)8.47 $\times$ 10^-¹⁶ s^-¹ B)7.82 $\times$10^-¹⁹s^-¹ C)1.18 $\times$ 10¹⁵s^-¹ D)76.1 s^-¹ E)none of these

Question

Quizplus · Accepted Answer

The frequency (ν) can be calculated using the formula ν = c/λ, where c is the speed of light (approximately 3.00 x 10^8 m/s) and λ is the wavelength (254 nm or 254 x 10^-9 m). This calculation gives a frequency of approximately 1.18 x 10^15 s^-1.

A Line in the Spectrum of Atomic Mercury Has a Wavelength