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Grade 12th passModern Physics

Which of the following figures represent the variation of particle momentum and the associated de-Broglie wavelength?
Correct ans is option 3
Please ans with proper reasoning asap!

Question image for Which of the following figures represent the vari
Profile image of Shivi .
7 Years agoGrade 12th pass
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1 Answer

Profile image of Umar Farooq
7 Years ago
This is something very straight-forward. de-Broglie wavelength is given by
\lambda =h/p
Where h=Planks constant
When you plot it, it resembles y=c/x graph
For p=1, \lambda =h
For p\lambda > h (For example, if p=0.5, \lambda=2h)
For p>1, \lambda<h(For example, if p=2, \lambda=0.5h)
As p tends to infinity, Wavelength tends to zero.

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