The surface of a metal is illuminated with the light of 400nm. The kinetic energy of the ejected photo-electrons was found to be 1.68eV. The work function of the metal is (hc=1240eV) :
1.51eV
1.68eV
3.09eV
1.41eV
A
1.51eV
B
1.41eV
C
1.68eV
D
3.09eV
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The surface of a metal is illuminated with the light of 400nm. The kinetic energy of the ejected photoelectrons was found to be 1.68 eV. The work function of the metal is :
(hc=1240eV.nm)
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The surface of the metal is illuminated with the light of 400 nm. The kinetic energy of the ejected photoelectrons was found to be 1.68 eV, the work function of metal is :
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Q. The surface of a metal is illuminated with the light of 400 nm. The kinetic energy of the ejected photoelectrons was found to be 1.68 eV. The work function of the metal is
A. 1.41 eV
B. 1.51 eV
C. 1.68 eV
D. 3.09 eV
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