Modern Physics 2 Question 8
8. The magnetic field associated with a light wave is given at the origin, by
If this light falls on a silver plate having a work function of
(Main 2019, 10 Jan II) (Take,
(a)
(b)
(c)
(d)
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Solution:
- According to question, the wave equation of the magnetic field which produce photoelectric effect
Here, the photoelectric effect produced by the angular frequency
Using Eqs. (i)
Therefore, according to Einstein equation for photoelectric effect