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Laser Flash Photometer




1. The pulse width of xenon flash lamps, such as those used in photography, is in the

a)microsecond time scale
b)millisecond time scale
c)Nanosecond time scale
d)picosecond time scale


2. A short pulse of light is used to interact with a sample that has been placed in the optical path of a spectrometer. The result of the interaction can be

a)Transient absorption
b)Passive absorption
c)Active absorption


3. XeCl provides laser emission at 308 nm with a 0.3 nm spectral width and a pulse width of about

a)19 nanosec
b)10 nanosec
c)40 nanosec
d)50 nanosec



1.(a),  2.(a),  4.(b)

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