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A surface irradiated with light of wavel...

A surface irradiated with light of wavelength 480 nm gives out electrons with maximum velocity `v m s^(-1)`, the cut off wavelength being 600 nm. The same surface would release electrons with maximum velocity `2v ms^(-1)` if it is irradiated by light of wavelength

A

320 nm

B

200 nm

C

300 nm

D

150 nm

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The correct Answer is:
C
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AAKASH SERIES-DUAL NATURE OF RADIATION AND MATTER-PRACTICE EXERCISEX
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