Calculate the frequency and wavelength of light of wavelength:
(i) 5000 A   (ii) 4.4 mμ      (iii) 580 mm

A certain radiostation broadcasts on a frequency of 920 k Hz. What is the wavelength of electromagnetic radiation broadcast by the radio station?

The frequency of D-line in the spectrum of sodium is 5.09 x 10¹⁴s^-1. Calculate the wavelength of light.

The wavelength range of the visible spectrum extends from violet (400 nm) to red (750 nm). Express these wavelengths in frequencies (Hz). [1 nm = 10^-9 m]

Calculate the wavelength, frequency and wave number of light wave whose period is 2.0 x 10^-10 s

127.

Yellow light emitted from a sodium lamp has a wave length (λ) of 580 nm (or 5800Å). Calculate the frequency (v) and wave number ⊽ of the yellow light. 

What is continuous spectrum?

What is an emission spectra? What are its types?