Question #92618

1 Answer
Feb 27, 2018

#0.09 m#

Explanation:

We know path difference # delta x# and phase difference # delta phi# are related as,

# delta phi = (2pi)/lambda delta x#

we know, wave velocity (#v#) = wavelength (#lambda#) * frequency(#nu#)

So, # delta x = (delta phi)/(2pi ) v/(nu)#

Given, #delta phi =45 ^@=pi/4# , #nu=500 Hz# and , #v=360 ms^-1#

So, #delta x =pi/4 1/(2pi) 360/500=0.09 m#