Column-I		Column-II
A)	Decreasing order of masses	P)	${\mathrm{e}}^{-}>\mathrm{p}>\mathrm{n}$
B)	Decreasing order of e/m values	Q)	$\mathrm{p}>{\mathrm{e}}^{-}>\mathrm{n}$
C)	Decreasing order of de-Broglie’s wavelength with same velocities	R)	$\mathrm{n}>\mathrm{p}>{\mathrm{e}}^{-}$
D)	Decreasing order of uncertainity in velocity when $\mathrm{\Delta }$x is same	S)	$\mathrm{n}>{\mathrm{e}}^{-}>\mathrm{p}$

	(A)	(B)	(C)	(D)
1)	R	p	P	P
2)	P	Q	R	S
3)	S	Q	R	P
4)	P	Q	S	R