If a light of frequency 4×1016 Hz emits photoelectrons with double th – InterviewSolution

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1.	If a light of frequency 4×1016 Hz emits photoelectrons with double the maximum kinetic energy as emitted by a light of frequency 2.5×1016 Hz from the same metal surface, what is the threshold frequency (ν0) of the metal?
Answer» If a light of frequency $4 \times 10^{16} Hz$ emits photoelectrons with double the maximum kinetic energy as emitted by a light of frequency $2.5 \times 10^{16} Hz$ from the same metal surface, what is the threshold frequency $(ν_{0})$ of the metal?

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