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What of the following options best describes the outcome if you use laser pointers (violet @

405 nm, green @ 532 nm, red @ 650 nm) to metallic aluminum with a work function of 4.08

eV?

O The calculated kinetic energy for all three lasers is negative, indicating that no electrons will be ejected.

O The calculated kinetic energy is positive only for the 405 nm laser, the other lasers lead to no ejection

(negative kinetic energy)

O All three lasers will eject electrons, and the kinetic energy thereof will be greatest for the 405 nm laser,

then the 532 nm laser.

O The kinetic energy of the ejected electrons will depend on the power of the laser pointers.