The wavelength of some violet light is 420.0 nm. What is the frequency of this violet light?

An FM radio station found at 103.1 on the FM dial broadcasts at a frequency of 1.031 × 10⁸ s⁻¹ (103.1 MHz). What is the wavelength of these radio waves in meters?

Calculate the wavelength (in nm) of the blue light emitted by a mercury lamp with a frequency of 6.88 × 10¹⁴ Hz.

The wavelength of some red light is 700.5 nm. what is the frequency of this red light?

Calculate the wavelength (in nm) of the red light emitted by a neon sign with a frequency of 4.74 × 10¹⁴ Hz.

The wavelength of some blue light is 470.0 nm. What is the frequency of this blue light?

Calculate the frequency of the green light emitted by a hydrogen atom with a wavelength of 486.1 nm.