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प्रश्न
How is the work function related to the threshold frequency \[\nu_0\]?
विकल्प
\[\phi_0=h\nu_0\]
\[\phi_0=\nu_0/h\]
\[\phi_0=h+\nu_0\]
\[\phi_0=h/\nu_0\]
MCQ
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उत्तर
At the threshold frequency, photon energy equals the work function: \[\phi_0=h\nu_0\]. This is the minimum frequency at which photoelectric emission can occur.
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