8.) two coherent plane waves of light of equal amplitude, and each of wavelength 207 x 10 m, propagating at ans. an angle of 080 radian with respect to each oth

8.) Two coherent plane waves of light of equal amplitude, and each of wavelength 207 X 10 m, propagating at Ans. an angle of 080 radian with respect to each other, fall almost normally on a screen. The fringe-width (in mm) on the screen is (b) 0.216 (d) 2.160 JAM PH 2008 (a) 0.108 (c) 1.080