If a red light matches the cut-off frequency of a metal and canliberate electrons from the metal surface. When a blue light shincson the same metal, will you expect to observe the photoelectriceffect (liberation of free electrons from metal) with this blue light?A. No, because blue light photon has lower energy due to smallerwavelength compared with the red-light photon.B. Yes, because blue light photon has higher energy due to higherfrequency compared with the red light photon.C. Cannot be determined without additional information.

In general, Energy E = hf = hc/λ Where h is Planck constant f is frequency c…

Answered: If a red light matches the cut-off…

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Pls answer number 2 thank you
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