The threshold frequency for a certain metal is ' $v_0$ '. When a certain radiation of frequency $2 v_0$ is…

The threshold frequency for a certain metal is ' $v_0$ '. When a certain radiation of frequency $2 v_0$ is incident on this metal surface, maximum velocity of the photo electrons emitted is $2 \times 10^6 \mathrm{~ms}^{-1}$. If radiation of frequency $3 v_0$ is incident on the same metal surface, the maximum velocity of the photo electrons emitted is ____
  1. $\sqrt{2} \times 10^{-6} \mathrm{~ms}^{-1}$
  2. $2 \sqrt{2} \times 10^6 \mathrm{~ms}^{-1}$
  3. $4 \times 10^6 \mathrm{~ms}^{-1}$
  4. $5 \times 10^6 \mathrm{~ms}^{-1}$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (25 Apr Shift 1)

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