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A surface irradiated with light lamda=48...

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 nm

B

360 nm

C

384 nm

D

300 nm

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The correct Answer is:
D
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