solve it with steps

The wavelength is 2.5107cm. The frequency and the wavenumber for this wavelength are respectively: 2.11017Hz and 4.0104m1 1.21015s and 4.01A6cm1 1.21017Hz and 4.0106cm1 9.051014Hz and 1.70106cm1 Which one of the following radiation has the longer wavelength? X-ray Ultraviolet Infrared Visible Question 4 Which type of quantum transition takes place in ultraviolet and visible spectroscopy? Nuclear Rotation of molecules Bonding electrons Spin of nuclei in magnetic field Aoving to the next question prevents changes to this