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VITEEE 2014 Solved Paper

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Question : 7

Total: 120

A metallic surface ejects electrons. When exposed to green light of intensity I but no photoelectrons are emitted,when exposed to yellow light of intensity I.It is possible to eject electron from the same surface by

yellow light of same intensity which is more than I
green light of any intensity
red light of any intensity
None of the above

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