Modern Physics> The energy required to remove electron fr...

The energy required to remove electron from sodium is 2.3 eV.Does sodium show photoelectric effect for orange light of wavelength 6800 A^o ?

xavier , 9 Years ago

Grade 12

1 Answers

Vikas TU

2.3 ev is thus the Work Functiongiven for Na.

from photoelectric eqn.

E = W + K.E.

Determine the E for wavelength 6800 eV.

Therfore,

E = hv = 1240/680 = 1.82 eV

which is hence less than Work Function 2.3 eV.

Therefore nO photoelctic effect would happen.

Last Activity: 9 Years ago

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Modern Physics> The energy required to remove electron fr...

The energy required to remove electron from sodium is 2.3 eV.Does sodium show photoelectric effect for orange light of wavelength 6800 A^o ?

xavier , 9 Years ago

Vikas TU

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