Question

the work function of caesium metal is 2.14ev​

Answer 1

Answer:

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Explanation:

When light of frequency 6 ×1014 Hz is incident on the metal surface, photoemission of electrons occurs. Hence, the maximum kinetic energy of the emitted electrons is 0.345 eV. ...

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Answer 2

ANSWER:

Work function, ϕ o=2.14eV

Work function, ϕ o=2.14eVFrequency of light, ν=6×10 14 Hz

HzMaximum K.E. is given by the photoelectric effect.

HzMaximum K.E. is given by the photoelectric effect.K=hν−ϕ•

K=(6.626×10^ −34×6×10^ 14)/1.6×10^-19) −2.14

=0.345eV

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