Questions
Sodium and copper have work functions
a
1:2
b
4:1
c
2:1
d
1:4
detailed solution
Correct option is C
Work function w1=2.3 ev Work function w2=4.5 ev Ratio of threshold wavelengths λ01λ02=? Threshold wavelength λ0=hcw λ1λ2=w2w1 =4.52.3≈2:1Talk to our academic expert!
Similar Questions
Threshold wavelength for photoelectric effect on sodium is 5000 . The work function (in x 10-19 J) is _______.
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