Interference

Question 1

Define coherent sources

Answer 1

Two sources oscillating with a constant phase relationship

Question 2

A human hears a loud sound in amongst quieter sounds from two sources - explain why this happens

Answer 2

Human hears 2 troughs meet in phase , with a constant phase relationship to produce a constructive maxima

Question 3

How to work out path diff of a minima

Answer 3

Path diff = (m+1/2) λ

Question 4

Human produces a quieter sound from two sources- explain this?

Answer 4

The meet out of phase , produces a destructive minima