Column I Column II
a charge on electron (magnitude) p $1.6022 \times 10^{- 19} C$
b $e / m_{e}$ q $1.758820 \times 10^{11} {Ckg}^{- 1}$
c Mass of proton, $m_{p}$ r $1 .00867 u$
d Mass of neutron, $m_{n}$ s $1 .00727 u$
t $4.8 \times 10^{- 10} esu$
Choose the correct option:
(a-p, t); (b-q); (c-s): (d-r)
(a-q, t); (b-r); (c-s): (d-s)
(a-p, t); (b-s); (c-p): (d-r)
(a-p, t); (b-q); (c-p): (d-r,s)

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Detailed Solution

The charge on electron (magnitude),

$e = 1.6022 \times 10^{- 19} C$ or,

$e = 4.8 \times 10^{- 10} esu$

The ratio of charge on an electron to its mass,

$1.758820 \times 10^{11} {Ckg}^{- 1}$

Mass of proton,

$m_{p} = 1 . 00727 u$

Mass of neutron,

$m_{n}$ $= 1 .00867 u$

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	Column I		Column II
a	charge on electron (magnitude)	p	$1.6022 \times 10^{- 19} C$
b	$e / m_{e}$	q	$1.758820 \times 10^{11} {Ckg}^{- 1}$
c	Mass of proton, $m_{p}$	r	$1 .00867 u$
d	Mass of neutron, $m_{n}$	s	$1 .00727 u$
		t	$4.8 \times 10^{- 10} esu$