Light from three different lasers (A, B, and C), each with a different wavelength, was shined onto the same metal surface. Laser A produced no photoelectrons. Lasers C and B both produced photoelectrons, but the photoelectrons produced by laser C had a greater velocity than those produced by laser B. Arrange the lasers in order of increasing wavelength.

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  1. C shortest
    B longer
    A none

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  2. cab

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  3. iuot

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  4. BAC

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  5. A: shortest wavelength
    C: nothing
    B : Longest wavelength


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  6. what was the right answer

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  7. The right answer is B<A<C

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