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 ▸Name and describe both of Kirchhoff's laws.
Explain why the nuclear model of the atom replaced the plum pudding model of the atom?
A car travels 100 metres in 20 seconds. i) What is the cars speed? ii) How far would the car travel in 1 minute 40 seconds?
What is the difference between a series circuit and a parallel circuit?