Statement 1 : Doppler formula for sound wave is symmetric with respect to the speed of source and speed of observer.
Statement 2 : Motion of source with respect to stationary observer is not equivalent to the motion of an observer with respect to stationary source.
(a) Statement -1 is false, Statement-2 is true
(b) Statement -1 is true, Statement-2 is true; Statement -2 is a correct explanation for Statement-1
(c) Statement -1 is true, Statement-2 is true; Statement -2 is not a correct explanation for Statement-1
(d) Statement -1 is true, Statement-2 is false.