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Grade 12th passMechanics

Monochromatic light of frequency f is incedent on emitter having threshold frequency f○ .the kinetic energy of ejected electrons will be
1) hf
2) h (f-f○)
3)hf○
4)h(f+f○)

Profile image of sheema
9 Years agoGrade 12th pass
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1 Answer

Profile image of Khimraj
9 Years ago
According to Einstein equation hf = hfo + KE so the KE = h(f-fo).Hope it clears. If u have doubts then please clearify. And if u like my answer then please approve answer