1.

A surface irradiated with light `lamda=480 nm` gives out electrons with maximum velocity v `ms^(-1)`, the cut off wavelength being 600 nm. The same surface would release electrons with maximum velocity `2vms^(-1)` if it is irradiated by light of wavelength.A. 325 nmB. 360 nmC. 384 nmD. 300 nm

Answer» Correct Answer - D


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