Two monochromatic beams

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

Problem

Two monochromatic beams, one red (

\lambda = 700\,\text{nm}

) and one violet (

\lambda = 400\,\text{nm}

), have the same intensity. Which beam carries the larger number of photons per second? Give reason.