Question

Hollow-cathode lamps emit light with very sharp linewidths. Which mechanisms are responsible for broadening atomic emission line widths?

a) pressure broadening

b) ionization effect

c) matrix effect

d) Doppler effect

1. b&d

2. a&d

3. b&c&d

4. a&c&d

5. c&d

Answer 1

6- Hallow-Cathode lamps emit light with very Sharp line widths which mechanism are delsponsible for bocwadning atomic emission line widihis? a) poilsiebie boegadning b) Gonisation effect c) matoux effecit a) Doppelese effect Answer = 2 a ed Explanation= In pouwee c Collision) bucoadming Collision cause changes ios gorecend State energy levels and collision can be take place with atoms at Lame kind ou disserent Species, which effect the broadning atomic emiesion line widths in Hollow a thode lamps. -ir) In ca Dopplere broadning, in experiment atom act as Lource and detectove is the obserwer in Hollow Cathode clamps, and the motion af atoms are observed random, That result in Lymmetrical Boco adning at . atomic line in the Atomic Absorbision Ode emission Speituroscopy