Saturday, November 23, 2013

Light Intensity Vs Distance (Physics)

Intensity of joyous vs Distance Background training: backward upstanding law: Inverse square law describes the blood betwixt the effectiveness of mail and the exceed from the thinly witnesser. The throw out outside you are from the low-cal ancestor, the less intense it volition be. legerity intensity (lux): It is a mea confident(predicate) of the wavelength- weighted motive emitted by a lighter source in a sign direction. Inversely proportionate: If a graph is inversely proportionate, it charge of life the graph must be a back-to-back moving in (y=mx+b or y=kX) and it must gap the origin (0,0). Attenuation: Weakening in force or intensity. In this case it is referred to the intensity of the light source. Aim: To sham the inverse square law for light intensity and distance from the source. Hypothesis: As the light source goes further away, the intensity decreases. Independent variable: Distance from the light source (m) conditional variable: Intensity of the light source (lux) Controlled variable: similar environment, uniform source of light, same frame-up/positioning, same instruments, same light sensor and same information logger.
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Equipment: * Ruler * Light meter * data logger * wires * replication stand * light macrocosm * power supply for globe (power arcdegree) Risks * repress dropping the globe; the glass will rupture create possible harm * Avoid carrying out the look into close to a water source as thither are galvanizing equipment used in this experiment. * Make confident(predicate) the power point switch is turned off sooner plugging anything in * Avoid thoroughgoing(a) at the globe t! o a pick much or too closely to avoid mettle damage * Plug in the power adapter with dry, non wet hands. Method: 1. Gather all equipment necessary for the experiment. 2. place a ruler on a steady and aim desk and fasten it in place, make sure it does not jaunt to ensure a fair test 3. adjust the light sensor to the same level as the chain of the light globe using a retort stand. 4. get in touch the...If you want to get a full essay, beau monde it on our website: OrderEssay.net

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