In an experiment of photoelectric effect the stopping potential was measured to be V 1 and V 2 with incident light of wavelength and /2 , respectively. The relation between V 1 and V 2 is

1. A. V 2 > 2V 1
2. B. V 2 < V 1
3. C. V 1 < V 2 < 2V 1
4. D. V 2 = 2V 1

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