State the principle of superposition and explain it.
(N/A) Principle of Superposition: When a particle of a medium is simultaneously influenced by two or more waves,its net displacement is the vector sum of the displacements that would occur under the influence of each individual wave.
Explanation:
$1$. When two waves travel in opposite directions,they maintain their individual characteristics even after they pass through each other.
$2$. During the superposition,the medium particles exhibit a displacement pattern that is the algebraic sum of the individual wave displacements.
$3$. The provided figure illustrates the superposition of two equal and opposite wave pulses. At $t = 2 \ s$ (part $c$),the two pulses overlap such that their displacements cancel each other out,resulting in a net displacement of zero at that instant. After passing through each other,the pulses continue to move in their original directions,unchanged in shape or velocity.
Explanation:
$1$. When two waves travel in opposite directions,they maintain their individual characteristics even after they pass through each other.
$2$. During the superposition,the medium particles exhibit a displacement pattern that is the algebraic sum of the individual wave displacements.
$3$. The provided figure illustrates the superposition of two equal and opposite wave pulses. At $t = 2 \ s$ (part $c$),the two pulses overlap such that their displacements cancel each other out,resulting in a net displacement of zero at that instant. After passing through each other,the pulses continue to move in their original directions,unchanged in shape or velocity.
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