Persistence of Vision Although an incandescent lightbulb appears to shine with constant intensity, this is an artifact of the eyes persistence of vision. In fact, the intensity of a bulbs light rises and falls with time due to the alternating current used in household circuits. If you could perceive these oscillations, would you see the light attain maximum brightness 60 or 120 times per second? Explain.
1/29/16 Todaywelearntheprincipal behind: Physics 205 (adding heat to get work Friday 1/29/16 18.5 1 law of thermodynamics Engines: over all change internal