Electromagnetic radiation-what is cut-off wavelength

Reference no: EM13661013

Electromagnetic radiation (photons) of wavelength 170 nm hit a metallic surface. The work function of this material is 4.70eV.

1. What is the cut-off wavelength for this material?

2. How much energy in Joules is carried with each photon?

3. What is the speed of the fastest electron emitted from this material?

Reference no: EM13661013

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