Ib biology carbon dating

27-Dec-2017 01:18

ib biology carbon dating-43

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A proposed explanation for the young age of Venus's surface.It hypothesizes that volcanic eruptions on Venus are continually covering up craters at about the same rate that craters are formed by impact.We relate these two quantities using something called the de Broglie wavelength: p = h / lambda.This equation says that the momentum of a photon, p, measured in kilogram meters per second, is equal to Planck's constant, h, divided by the de Broglie wavelength of the light, lambda, measured in meters. Let's try an example calculation: Let's say you're repeating Einstein's photoelectric effect experiment and are shining a beam of light on some metal.This equation is like wave-particle duality in equation form because it directly relates a wave property (wavelength) to a particle property (momentum), and this allows us to predict the behavior of light no matter what part of its multiple personality we happen to be observing. We have over 95 college courses that prepare you to earn credit by exam that is accepted by over 2,000 colleges and universities.

ib biology carbon dating-42

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And, as far as we could tell, those effects could only be explained by light being a wave. He showed in his photoelectric effect experiment that light could also behave as a particle.

It turns out that light contains energy in discrete packets (or particles) called photons.

The amount of energy in those photons is calculated by this equation, E = hf, where E is the energy of the photon in Joules; h is Planck's constant, which is always 6.63 * 10^-34 Joule seconds; and f is the frequency of the light in hertz.

Brighter light contained more photons, so more electrons left the metal, but those electrons were no faster than with the dimmer light because they could only be hit by one photon of light at a time.

This idea of electrons colliding with photons of light is why these observations can only be explained by treating light as a particle, rather than a wave.However, if he increased the energy of the light, making the light bluer, the electrons did move faster.

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