Answer the following questions :  (a) When a low flying aircraft passes
Channel: Doubtnut
Date: 2020-08-30

Answer the following questions :  (a) When a low flying aircraft passes overhead, we sometimes notice a slight shaking  of the piture on our TV screen. Suggest a possible expanation.  (b) As you have learnt in the text, the principle of linear superposition of wave displacement is basic to understanding intensity distributions in diffractions and interference patterns. What is the justification of this principle ?