Photons of red light cause a surface to emit photoelectrons with maximum kinetic energy K(red). If photons of blue light of the same intensity are now used in the experiment, which of the following statements is true about the photoelectrons emitted (if any are emitted)?
A. no photoelectrons are emitted
B. maximum K(blue) < K(red)
C. maximum K(blue) = K(red)
D. maximum K(blue) > K(red)
E. none of these choices are true
D. maximum K(blue) > K(red)
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