Action
Action describes energy summed up over the time a process lasts (time integral over energy). Its dimension is the same as that of an angular momentum.
- A phototube provides a voltage measurement which permits the calculation of the quantized action (Planck constant) of light. Also see photoelectric effect.
Read more about this topic: Measuring Instrument
Famous quotes containing the word action:
“A dramatist is one who believes that the pure event, an action involving human beings, is more arresting than any comment that can be made upon it.”
—Thornton Wilder (1897–1975)
“The philosophy of action for action, power for the sake of power, had become an established orthodoxy. “Thou has conquered, O go-getting Babbitt.””
—Aldous Huxley (1894–1963)
“There is not a Musselman alive who would not imagine that he was performing an action pleasing to God and his Holy Prophet by exterminating every Christian on earth, while the Christians are scarcely more tolerant on their side.”
—Denis Diderot (1713–1784)