Wave motionHard
Question
When a metal surface is illuminated with monochromatic light of wavelength λ, the stopping potential is 5V0. When the same metal surface is illuminated with light of wavelength 3λ, the stopping potential is V0. The threshold wavelength for this surface is
Options
A.6λ
B.1.33λ
C.4λ
D.8λ
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