Explain why shining a very intense red laser (wavelength 650 nm) on a clean zinc…

PHYSICS · Subjective · CBSE · Physics · Dual Nature of Radiation and Matter · Dual Nature of Radiation and Matter

Problem

Explain why shining a very intense red laser (wavelength 650 nm) on a clean zinc surface produces no photoelectrons, whereas a faint ultraviolet source does.

Related theory

Browse the problem library