Two particles separated by a distance 16.5 mm in a progressive wave has a phase difference of `3pi//8` rad. If the number of waves passing across a point in the medium in 1s is 3750, then the velocity of wave will be

The phase difference between two vibrating particles separated by a distance of 11 M into medium through which a progressive wave is travelling is 1320^0 If the frequency of the disturbance is 105 Hz, the phase velocity of the progressive wave in ms^-1 .

The phase difference between two points separated by 0.8 m in a wave of frequency 120 Hz is 90^(@) . Then the velocity of wave will be

The phase difference between two points separated by 0.8 m in a wave of frequency 120 Hz is 90^(@) . Then the velocity of wave will be

If the phase difference between the two light waves interfering at a point of the medium is equal to odd multiple of pi then that point appears as

The wave velocity of progressive wave is 480 m/s and the phase difference between the two particles separated by a distance of 12 m is 1080^(@) . Then the number of waves passing across a point in 1 s is

A wave has a frequency of 120Hz .Two points at a distance of 9m apart have a phase difference of 1080^(@) The velocity of the wave in m/sec

A wave has a frequency of 120Hz . Two points at a distance 9m apart have a phase difference of 1080^(@) . The velocity of the wave is

If the phase difference between the two light waves interfering at point of the medium is equal to odd multiple of pi then tat point appears are