1. It uses constructive and destructive interference of electromagnetic waves to obtain spectral information through a t

[answerhappygod]

1. It uses constructive and destructive interference of
electromagnetic waves to obtain spectral information through a
technique called Fourier transformation?
2. Colored glass plate that absorbs part of the incident
radiation and transmit the desired band
3. It relies on optical interference to provide a narrow band of
radiation
4. The following lamps can be used as UV Vis light source
EXCEPT:
a. duterium
b. tungsten filament
c. globar