Fluorescent techniques are very useful in forensic applications because: a. Very

Question

Fluorescent techniques are very useful in forensic applications because:

a. Very low concentrations of analyte can be detected because there is no other radiation to

complicate the analysis.

b. The radiation used to detect the analyte is always of higher energy than that used to

excite the sample.

c. The wavelength of the radiation used to excite the sample differs from that emitted by the

sample.

d. The laser light gives a characteristic pattern of spots of varying intensity when passed

through a diffraction grating.

e. The radiation used to detect the analyte is always of shorter wavelength than that used to

excite the sample.

Explanation / Answer

Flourescent techniques are very useful. In forensic application because very low concentrations of analyte can be used to detect because in most of the criminal scene samples are microscopic in nature.

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