What is the frequency of a photon whose energy is \( 75 \mathrm{eV} \) ? Given, \( h=6.6 \times ...

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What is the frequency of a photon whose energy is \( 75 \mathrm{eV} \) ? Given, \( h=6.6 \times 10^{-34} \mathrm{~J} \).
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