Which of the following figures represent the variation of particle momentum and the associated de-Broglie…

Solution

de-Broglie's wavelength, $\mathrm{\lambda }=\frac{\mathrm{h}}{\mathrm{p}}$
$\Rightarrow \mathrm{p}\mathrm{\lambda }=\mathrm{h}$
$\Rightarrow \mathrm{\lambda }\mathrm{p}=\mathrm{h}$, Same as $\left(\mathrm{x}\mathrm{y}=\mathrm{c}\right)$
Momentum, $\mathrm{p}\propto \frac{1}{\mathrm{\lambda }}$ (Rectangular hyperbola)

Asked in: NEET 2015 (Phase 1)

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