Recent content by mohammadyou

Thanks NascentOxygen, Which kind of rule takes place that useful range with extend ? (thought Physics is not my field ) I do agree with you, the power that added to beam is not too much but some people use this trick in a sender and receiver infrared to extend their range ! and I consider...

I wonder to know what would happen when we use two flashlight in a same direction. by doing so, do we extend the range of light? if so, does it mean if the lights cross each other in a point perpendicularly the range that the light can traverse is going to reduce ? I have been said that if we...