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A) A 500-W space heater emits a 1.7-m radiation. What value of the energy quantum does it emit (E = hf) in eV? B)A 110-nm

A) A 500-W space heater emits a 1.7-m radiation. What value of the energy quantum does it emit (E = hf) in eV?

B)A 110-nm UV radiation illuminates a silverplated electrode. What is the maximum kinetic energy of the ejected photoelectrons? The work function for silver is 4.73 eV

Kmax = hf -

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