Physics · 2017
JEE Main · 8 April 2017, Shift 1 · Q24
The maximum velocity of the photoelectrons emitted from the surface is v when light of frequency n falls on a metal surface. If the incident…
The maximum velocity of the photoelectrons emitted from the surface is v when light of frequency n falls on a metal surface. If the incident frequency is increased to 3n, the maximum velocity of the ejected photoelectrons will be :
Official answer
(3)
more than $\displaystyle \sqrt{3} \mathrm{v}$
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JEE Main 2017 Physics question, with the answer from NTA’s final answer key. Where our answers come from.