Question

Define superposition principle and echo.
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Answer 1

Answer:

that satisfies the superposition principle is called a linear function. Superposition can be defined by two simpler properties; additivity and ...

Answer 2

Superposition principle

It states that when two or more waves of same nature travel in a medium then the resultant

of displacement is vector sum of displacement due to individual wave .

Echo

It is defined as repetition of sound of short duration . It is heard if minimum distance between the obstacle reflecting sound waves of the source of sound is 70 m

Explanation: