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Problem
Problem
If
E
1
,
E
2
E_1, E_2
E
1
,
E
2
and
E
3
E_3
E
3
represent respectively the kinetic energies of an electron, an
α
\alpha
α
-particle and a proton each having same de-Broglie wavelength, then a.
E
1
>
E
3
>
E
2
E_1 > E_3 > E_2
E
1
>
E
3
>
E
2
b.
E
2
>
E
3
>
E
1
E_2 > E_3 > E_1
E
2
>
E
3
>
E
1
c.
E
1
>
E
2
>
E
3
E_1 > E_2 > E_3
E
1
>
E
2
>
E
3
d.
E
1
=
E
2
=
E
3
E_1 = E_2 = E_3
E
1
=
E
2
=
E
3
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