Rankers Physics

Photoelectric Effects and deBroglie Equation: Practice Problem & Solution

The figure shows different graphs between stopping potential (V0) and frequency (n) for photosensitive surface of caesium, potassium, sodium and lithium. The plots are parallel. Correct ranking of the targets according to their work function, greatest first, will be : Photoelectric Effects and deBroglie Equation diagram: The figure shows different graphs between stopping potential
(i) > (ii) > (iii) > (iv)
(i) > (iii) > (ii) > (iv)
(iv) > (iii) > (ii) > (i)
(i) = (iii) > (ii) = (iv)

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