For destructive interference of sound waves the mathematical phase difference between the two arriving waves is

For destructive interference of sound waves the mathematical path difference between the two arriving waves is

For constructive interference of sound waves the mathematical phase difference between the two arriving waves is

For constructive intergerence of sound waves the mathematical path difference between the two arriving waves is

For minimum intensity the phase difference between the two waves is

For constructive interference, the phase difference between the two interfering waves is

For constructive interference, the phase difference between the two interfering waves is

If the two waves of the same frequency and same amplitude, on superposition produce a resultant disturbance of the same amplitude, then the phase difference between the two arriving wave will be

State the condition for constructive interference in terms of phase difference between the two waves.