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Wavelength associated with different particles are given in Column-I. Match these wavelengths with their values given in Column-II

Column-I

Column-II
A)
Wavelength associated with an electron accelerated through a pd of 1 volt
p)
10 nm
B)
Wavelength associated with an $α$ -particle accelerated through a pd of 1 volt
q)
$0.10 \overset{\circ}{A}$
C)
Wavelength associated with a proton acceleration through a pd of 1 volt
r)
$0.286 \overset{\circ}{A}$
D)
Wavelength associated with a photon of energy 124.2 eV
s)
$12.27 \overset{\circ}{A}$

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$A - r, B - q, C - s, D - p$

$A - s, B - q, C - r, D - p$

$A - p, B - q, C - r, D - s$

$A - s, B - r, C - q, D - p$

answer is B.

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Detailed Solution

$λ_{e l e c t r o n} = \frac{12.27}{\sqrt{V}} Å$

$λ_{particle} = \frac{h}{\sqrt{2 m q V}}$

$λ_{p h o t o n} = \frac{h c}{E}$

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