question: When the photon energy is less than the work function of the material the light is shone upon , how many photoelectrons are emitted ?
answer: no photoelectrons are emitted at all
turker_answer: When the photon energy is less than the work function of the material the light is shone upon , no photoelectrons are emitted at all are emitted .
rule-based: When the photon energy is less than the work function of the material the light is shone upon , no photoelectrons are emitted at all are emitted .