Senthilkumar_rjpm
Full Member level 2
7mW is bright! The real value for Rm for 7mW will be 5k ohms or less. With 100k you are probably only around 350uW.
You need a power meter.
And I hope you are wearing safety goggles at all times.
Keith.
Thanks keith...
Now i have bit idea about calculations... Yes..! i am wearing goggles while playing with lasers....