A certain transition emits `6.37 xx 10^(15)` quats  per second  per square .Calculate  the
Channel: Doubtnut
Date: 2020-07-26

A certain transition emits `6.37 xx 10^(15)` quats  per second  per square .Calculate  the power out put in  joule equare  metre per second .Given `lambda = 632.8 nm`