Is particle velocity the same as wave velocity?

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runny4
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physicst
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(Original post by runny4)
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there are actually phase velocity and group velocity pertains to moving particle (quantum mechanically ). The group velocity is the real velocity of particle and which is equal to particle velocity.
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runny4
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(Original post by physicst)
there are actually phase velocity and group velocity pertains to moving particle (quantum mechanically ). The group velocity is the real velocity of particle and which is equal to particle velocity.

Then please can explain to me why you can't use v=f*lambda for june 2013 ocr physics ocr g482 question 4d
http://www.ocr.org.uk/qualifications...s-a-h158-h558/
you can find it on the page above
And do you do ocr by any chance?
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physicst
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(Original post by runny4)
Then please can explain to me why you can't use v=f*lambda for june 2013 ocr physics ocr g482 question 4d
http://www.ocr.org.uk/qualifications...s-a-h158-h558/
you can find it on the page above
And do you do ocr by any chance?
I could't not understand what do you mean ?
You can't used v=f lembda if you are dealing with quantum mechnical waves. But this formula hold good for electromagnetic waves.
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runny4
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(Original post by physicst)
I could't not understand what do you mean ?
You can't used v=f lembda if you are dealing with quantum mechnical waves. But this formula hold good for electromagnetic waves.
what are quantum mechanical waves?
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physicst
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(Original post by runny4)
what are quantum mechanical waves?
The wave associated with moving particle some time called debrogli waves they are different than the material waves and em waves.

http://theory.uwinnipeg.ca/physics/quant/node6.html
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runny4
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(Original post by physicst)
The wave associated with moving particle some time called debrogli waves they are different than the material waves and em waves.

http://theory.uwinnipeg.ca/physics/quant/node6.html
oh thanks and if you have time can you please answer some of my other questions as well. They're for ocr physics as g482 electrons, waves and photons
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physicst
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(Original post by runny4)
oh thanks and if you have time can you please answer some of my other questions as well. They're for ocr physics as g482 electrons, waves and photons
You can post quarries with a new thread if you struck at some place so that other people will see them also . I will try

cheers
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