Why do lasers produce an intense coherent beam of light?
Lasers produce an intense coherent beam of light because the waves have the same frequency, are in phase with each other and have a low divergence.
LB
Related Physics GCSE answers
All answers ▸What are the properties of electromagnetic waves?
Why does voltage increase (for a constant current) if temperature increases?
Describe how the velocity and forces acting on a skydiver change during their fall (6 marks)
How many times further away from the pivot point of a seesaw does someone of double the weight have to sit in order for the it to balance?