The frequency of a photon associated with an energy of 3.31 eV is (given h $= 6.625 \times 10^{- 34}$ Js)

0.8 \times 10^{15}

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1.6 \times 10^{15}

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3.2 \times 10^{15}

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8.0 \times 10^{15}

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Solution

The correct option is A $0.8 \times 10^{15}$
energy $= h ν$
$3.31 e V = 6.625 * 10^{- 34} ν$

$ν = \frac{3.31 * 1.6 * 10^{- 19}}{6.625 * 10^{- 34}}$ ( $∵ e = 1.6 * 10^{- 19} C$ )

$= 0.8 * 10^{15} H z$

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The frequency of a photon associated with an energy of 3.31 eV is (given h=6.625×10−34 Js)

The correct option is A 0.8×1015energy =hν3.31eV=6.625∗10−34νν=3.31∗1.6∗10−196.625∗10−34 (∵e=1.6∗10−19C) =0.8∗1015Hz

The frequency of a photon associated with an energy of 3.31 eV is (given h $= 6.625 \times 10^{- 34}$ Js)

The correct option is A $0.8 \times 10^{15}$
energy $= h ν$
$3.31 e V = 6.625 * 10^{- 34} ν$

$ν = \frac{3.31 * 1.6 * 10^{- 19}}{6.625 * 10^{- 34}}$ ( $∵ e = 1.6 * 10^{- 19} C$ )

$= 0.8 * 10^{15} H z$