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Author Question: Describe how a forensic scientist determines the refractive indices of suspect glass fragments. ... (Read 50 times)

vinney12

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on: Aug 17, 2018
Describe how a forensic scientist determines the refractive indices of suspect glass fragments.
 
  What will be an ideal response?

Question 2

The implied-consent law allows the operator of a motor vehicle on a public highway to refuse a test for alcohol intoxication.
 
  a. True b. False


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missalyssa26

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Reply #1 on: Aug 17, 2018
Answer to Question 1

To determine the refractive indices of suspect glass fragments, forensic scientists use a process called immersion, in which glass particles are immersed in a liquid medium whose refractive index is adjusted by varying its temperature until it equals that of the glass particles. At this point, known as the match point, the observer notes the glass will seem to disappear from view or will be at minimum contrast with the liquid it is immersed in. Also, the observer will note the disappearance of the Becke line at the match point.

Answer to Question 2

b


vinney12

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Reply 2 on: Aug 17, 2018
YES! Correct, THANKS for helping me on my review

tuate

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Reply 3 on: Yesterday
Gracias!

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