A certain laser transition emits quanta per second per square metre

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

Problem

A certain laser transition emits

6.37 \times 10^{15}

quanta per second per square metre. Calculate the power output in joule per square metre per second. Given

\lambda = 632.8 \text{ nm}