Question

Jane is a crime scene investigator. She wants to reveal small particles with high contrast. So, she positions the forensic lamp at a very low angle against the surface. Which technique is she using?

Answer 1

Answer: It’s B

Step-by-step explanation:

Answer 2

Infrared technique

Step-by-step explanation:

In simple words, The infrared spectroscopy process or procedure is carried out using an apparatus named an infrared neutron beam (or microscope) that creates an ultrasonic wave. The IR spectrum could be visualized on the vertical axis in such a map of infrared light absorption (or diffraction).

Thus, from the above we can conclude that the correct option is Infrared technique.