Week 7

Question 0

Relief

Answer 0

Indication of degree of similarity of RI’s of oil and fragment

High relief=large difference
Low relief=less of a difference

Question 1

Glass

Answer 1

Inorganic product of fusion which has cooled to a rigid condition without crystallizing

Question 2

Becke Line

Answer 2

Moves into medium of higher index of refraction

Question 3

Birefringence

Answer 3

Numerical difference between the principal refractive indices

B=retardation/thickness x 1000

Question 4

Retardation

Answer 4

Slower component as it exits

Question 5

Thickness

Answer 5

Direct measurement rim other measurements using calibrated eyepiece micrometer