Also know, how lbw is given in cricket?
If the ball pitches outside the line of leg stump, regardless of whether or not the ball would have gone on to hit the stumps. If the ball hits the bat before striking the pad. One of the most important rules when making an lbw decision is a batsman CANNOT be given out if the ball pitches outside leg stump.
What is the meaning of impact in LBW?
Impact in LBW is the moment when the ball touches to the pad(or any part other than bat and gloves) of a batsman. You might have seen in the replays that they want to check whether the impact was in line or not.
Why is it not out if the ball pitches outside leg stump?
So consider if it is out even if pitches outside leg stump, then the bowlers job would be pretty easy, and the batsman can hardly stand. But if the bowler bowls from the off side of the batsman, it is his bat comes first then the leg, hence outside off stump LBW is considered OUT.”