Assume Fizeau’s wheel has 360 teeth and rotates at 55.0 rev/s when a pulse of light passing through opening A as shown passes through opening C on its return. If the distance to the mirror is 7 500 m, what is the speed of light?
Assume Fizeau’s wheel has 360 teeth and rotates at 55.0 rev/s when a pulse of light passing through opening A as shown passes through opening C on its return. If the distance to the mirror is 7 500 m, what is the speed of light?
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Assume Fizeau’s wheel has 360 teeth and rotates at 55.0 rev/s when a pulse of light passing through opening A as shown passes through opening C on its return. If the distance to the mirror is 7 500 m, what is the
Transcribed Image Text:d-
Toothed
wheel
Mirror
Figure 34.2 Fizeau's method for
measuring the speed of light using
a rotating toothed wheel. The
light source is considered to be at
the location of the wheel; there-
fore, the distance dis known.
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