Surface of sodium is illuminated by a light of 6000Å wavelength. Work function of sodium is 1.6 eV.Then minimum K.E. of emitted electrons is _____
A. 0 eV
B. 1.53 eV
C. 2.46 eV
D. 4.14 eV
Answer:A
Surface of sodium is illuminated by a light of 6000Å wavelength. Work function of sodium is 1.6 eV.Then minimum K.E. of emitted electrons is _____
A. 0 eV B. 1.53 eV C. 2.46 eV D. 4.14 eV