3 Replies
i am getting dsinphi + t(u-1) -dx/D where x is height any random point of interference on screen
however if i put x=0 (to get central bright on fringe) i cant do deltax = 0
@Gyro Gearloose
Note for OP
+solved @user1 @user2...
to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.