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Units and Dimensions

1eV=1.602×10-...

Question

$1 e V$ $=$ $1.602 \times 10^{- 19}$ $J$

True

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False

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Solution

The correct option is A True
The numerical value of 1 eV in joules (symbol J) is comparable to the numerical value of an electron's charge in coulombs when employed as a unit of energy (symbol C).
$1.602176634 \times 10^{- 19} J$ is equal to one electron volt.

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Similar questions

9.10 \times 10^{- 31}

1.602 \times 10^{- 19}

The de-brogile wavelength of an electron in the ground state of hydrogen atom is:

$[K . E . = 13.6 e V; 1 e V = 1.602 \times 10^{- 19} J]$

A beam of electrons has an energy of $1 j o u l e$ . How many electrons are in the beam? [ $1 e V = 1.6 x 10^{- 19} J$ ]

X

X

X

409 k J

X^{-}

733 k J

I E

E A

a

b

X

a + b

e V

1 e V = 1.602 \times 10^{- 19} J

N = 6.023 \times 10^{23}

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