In Figure (a), a beam of light in material 1 is incident on a boundary at an angle of e, = 30°. The extent of refraction of the light into material 2 depends, in part, on the index of refraction n2 of material 2. Figure (b) gives the angle of refraction 02 versus n2 for a range of possible n2 values. The vertical axis scale is set by O2g = 18° and e26 = 42°. (a) What is the index of refraction of material 1? (b) If the incident angle is changed to 80° and material 2 has n2 = 2.8, then what is angle 02? 30 1.3 1.5 1.7 1.9 (a) (b) (a) Number i Units (b) Number i Units
In Figure (a), a beam of light in material 1 is incident on a boundary at an angle of e, = 30°. The extent of refraction of the light into material 2 depends, in part, on the index of refraction n2 of material 2. Figure (b) gives the angle of refraction 02 versus n2 for a range of possible n2 values. The vertical axis scale is set by O2g = 18° and e26 = 42°. (a) What is the index of refraction of material 1? (b) If the incident angle is changed to 80° and material 2 has n2 = 2.8, then what is angle 02? 30 1.3 1.5 1.7 1.9 (a) (b) (a) Number i Units (b) Number i Units
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In Figure (a), a beam of light in material 1 is incident on a boundary at an angle of 0, = 30°. The extent of refraction of the light into
material 2 depends, in part, on the index of refraction n2 of material 2. Figure (b) gives the angle of refraction 02 versus n2 for a range of
possible n2 values. The vertical axis scale is set by 02g = 18° and 02b = 42°. (a) What is the index of refraction of material 1? (b) If the
incident angle is changed to 80° and material 2 has n2 = 2.8, then what is angle 02?
30
"1.3
1.5
1.7
1.9
(a)
(b)
(a) Number
i
Units
(b) Number
i
Units
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