The threshold frequency for a certain metal is ‘\u_o’. When a certain radiation of frequency 2\upsilon_o is incident on this metal surface, maximum velocity of the photo electrons emitted is 2\times10^6 ms^{-1}. If radiation of frequency 3\upsilon_o is incident on the same metal surface, the maximum velocity of the photo electrons emitted is_______

Correct Answer is : 2√2×106 ms−1

AP EAMCET Engineering 25 Apr 2017 Shift 1 Paper

Section: Physics

Question : 116 of 160

Marks: +1, -0

The threshold frequency for a certain metal is ‘uo’. When a certain radiation of frequency 2υo is incident on this metal surface, maximum velocity of the photo electrons emitted is 2×106 ms−1. If radiation of frequency 3υo is incident on the same metal surface, the maximum velocity of the photo electrons emitted is_______

√2×10−6 ms−1
2√2×106 ms−1
4×106 ms−1
5×106 ms−1

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