#1
I'm really confused. I'm doing some AS physics revision about the de Broglie wavelength equation:

wavelength = h/mv

and it says in the textbook that this can be applied to anything, including humans. This got me thinking. In orer to diffract when walking through a door 1m wide, our wavelength would have have to be 1m, right?

So:

1 = h/mv

therefore h = mv

and so v = h/m

h = 6.63x10^-36 and I weigh 60kg.

Does this mean, if I'm travelling at 6.63x10^-36/60 (around 1x10^-37) metres per second, I will diffract when I walk through a door?
#3
no, it doesn't
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#4


You called?

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#5
yes i think so, i do remember talking about that last year
you defract slightly when walking through a door, the effects are neglible though
#6
According to some site, the average walking speed is 3.4 mph which is 1.519936 m/s.

Momentum = 60*1.519936 =91.19616 kgm/s

Wavelength = h/91.19616= 7.27(10^-38) m

But if you were able to walk that slowly, I guess you'd be able to.
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#8
de broglie wavelengths are what keep electrons going around a nucleus right? the whole integral wavelength stuff, its wave particle duality. the effects are negligible at best on anything larger than the atomic scale, so small that they arent even able to be measured.
besides, thats such a small velocity, im pretty sure its not even possible to move that slowly
#9
In theory I guess so, but as an AS student you should also know that you can't travel faster then the speed of light (3x10^8). I also marvelled at this when I did AS though, I even worked out my brothers wavelength, and frequency, and energy, and all kind of crap!
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