Solve this Q The surface of a metal is illuminated with the light of 400 nm The - Physics - Dual Nature Of Radiation And Matter

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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

Decoder_2 · Accepted Answer

Dear student,ϕo=hcλ-Ek=1240eVnm400nm-1 68eV=3 1-1
68=1 41eVRegards

Solve this. 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

Solve this.
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