If the frequency of ac is 60 Hz the time difference corresponding to a phase difference of `60^(@)` is –

The phase difference corresponding to path difference of x is

The phase difference corresponding to path difference of x is

The phase difference corresponding to path difference of x is

The phase difference between the current and the electromotive force in an ac circuit is pi//4 radian. If the frequency is 50 Hz, then the time difference corresponding to this phase difference, will be –

In a wave, the path difference corresponding to a phase difference of phi is

In a wave, the path difference corresponding to a phase difference of phi is

In a wave, the path difference corresponding to a phase difference of phi is

In a wave, the path difference corresponding to a phase difference of phi is