Beam Intensity

Some articles on beam intensity, beam:

Flashlight - Ratings and Standards - Performance Standards
... procedures and conditions for total light output, beam intensity, working distance, impact and water resistance, and battery running time to 10% of initial light output ... Beam intensity is determined by measuring the brightest spot in the beam produced by the flashlight, in candelas since this is a measure of the light ... the point of view of the user of the flashlight the beam may be visible against a dark background for many times this distance, especially if the observer has night-vision equipment ...
Mean Free Path - Derivation
... Imagine a beam of particles being shot through a target, and consider an infinitesimally thin slab of the target (Figure 1) ... The atoms (or particles) that might stop a beam particle are shown in red ... The probability that a beam particle will be stopped in that slab is the net area of the stopping atoms divided by the total area of the slab where is the area (or ...

Famous quotes containing the words intensity and/or beam:

    The bourgeois treasures nothing more highly than the self.... And so at the cost of intensity he achieves his own preservation and security. His harvest is a quiet mind which he prefers to being possessed by God, as he prefers comfort to pleasure, convenience to liberty, and a pleasant temperature to that deathly inner consuming fire.
    Hermann Hesse (1877–1962)

    How can one beam alone support a house?
    Chinese proverb.