MCQ
The frequency and work function of an incident photon are $v$ and $\phi_0$. If $v$ is the threshold frequency then necessary condition for the emission of photo electron is
  • A
    $v_1$
  • B
    $v=\frac{v_0}{2}$
  • $v \geq v_0$
  • D
    None of these

Answer

Correct option: C.
$v \geq v_0$
$v \geq v_0$

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