In: Physics
Make the curvature radius 0.6 , the refractive index 1.5, and the
diameter 0.6 . Place the lamp so that the source of light is
120 from the middle of the lens (use the ruler).
The focal length of the lens is ____________, and the focal plane
is ___________ from the lens.
120 cm / 120 cm
60 cm / 120 cm
60 cm / 60 cm
30 cm / 120 cm
60 cm / 180 cm
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Correct
For this lens, when the object is 120 cm away, the image is the
same distance on the other side of the lens.
Part H
Now, move the lamp so that it is 90 from the center of
the lens.
How far from the lens is the image?
60 cm
90 cm
180 cm
120 cm
160 cm