Value of Delta X


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Jasmine Reddy DIS 1E
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Joined: Fri Sep 28, 2018 12:17 am

Value of Delta X

Postby Jasmine Reddy DIS 1E » Mon Oct 22, 2018 12:11 am

For our purposes, will the value of delta X always be the diameter of the atom?

Reva Kakaria 1J
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Re: Value of Delta X

Postby Reva Kakaria 1J » Mon Oct 22, 2018 8:56 am

When we're given ∆x, it's usually the diameter of an atom, but one of the problems in the book uses diameter of a nanoparticle. I think in general we will be given some sort of diameter.

Laura Gong 3H
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Re: Value of Delta X

Postby Laura Gong 3H » Mon Oct 22, 2018 2:20 pm

Sometimes the question with give you a plus/minus value for deltaX (say +/-5) which means you have to double that value (deltaX=10) before plugging it into the equation.

Lia Inadomi 1I
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Re: Value of Delta X

Postby Lia Inadomi 1I » Tue Oct 23, 2018 12:25 pm

Yesterday at office hours the TA said delta X should be in meters

Jasmine Chow 1F
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Re: Value of Delta X

Postby Jasmine Chow 1F » Tue Oct 23, 2018 12:34 pm

The delta x in the equation is usually in meters and is often what is solved for or given. If it is in pm you would need to convert it to m so you can solve the problem.

Madeera_Mian_3B
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Joined: Fri Sep 28, 2018 12:24 am

Re: Value of Delta X

Postby Madeera_Mian_3B » Wed Oct 24, 2018 9:59 pm

I agree with the previous replies, delta x is usually in meters (m). Delta x describes the position, sometimes the problem gives it as a radius which is the same thing as the position.

Imelda Mena 3I
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Re: Value of Delta X

Postby Imelda Mena 3I » Wed Oct 24, 2018 11:48 pm

So if the radius is given that is the electron's uncertainty in position? Or do we have to multiple it by 2 so it can be the diameter?

Brandon Mo 4K
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Re: Value of Delta X

Postby Brandon Mo 4K » Thu Oct 25, 2018 1:53 am

I think we would have to multiply the radius by 2 to get the diameter. We want delta x to be the full range of where the electron could be.

Charles Gu 1D
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Joined: Fri Sep 28, 2018 12:16 am

Re: Value of Delta X

Postby Charles Gu 1D » Fri Oct 26, 2018 11:35 am

Delta X is usually the diameter in meters. If it is given in radius you should use that in meters.


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