Use the focal distance found above to complete the table below. Use the simulati
ID: 1466658 • Letter: U
Question
Use the focal distance found above to complete the table below. Use the simulation to check your work.
Curvature Radius (m)
Refractive Index
Diameter (m)
0.7
1.8
1.0
Focal Distance (f)
Object distance (do)
Image Distance (d)
Magnification (m)
120 cm
90 cm
60 cm
30 cm
15 cm
9. Repeat Step 8 above using new characteristics.
Curvature Radius (m)
Refractive Index
Diameter (m)
0.8
1.25
0.6
Focal Distance (f)
Object distance (do)
Image Distance (d)
Magnification (m)
Solve for this first.
120 cm
90 cm
60 cm
30 cm
15 cm
Just help me figure out how to do a couple and I can do the rest.
Curvature Radius (m)
Refractive Index
Diameter (m)
0.7
1.8
1.0
Explanation / Answer
focal length f = R/2
object distance = do
image distance = d
from mirror equation
1/do + 1/d = 1/f
magnification m = -d/do
image distance = d = (f*do)/(do-f)
M = d/do
do d m
do = 1.2 m 0.49 m 0.41
do = 0.9 0.57 m 0.633
do = 0.6 0.84 m 1.4
do = 0.3 -2.1 m 0.7
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