A light source emitting light and if we change light from violet to red then

(1) Fringes become dark

(2) The separation between two consecutive fringes decreases

(3) Intensity of central maxima will increase

(4) Intensity of central maxima will decrease

(1) Fringes become dark

(2) The separation between two consecutive fringes decreases

(3) Intensity of central maxima will increase

(4) Intensity of central maxima will decrease