Question

Define the principle of superposition of wave. State the conditions of permanent Interference of light.
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Answer 1

Answer:

The principle of superposition of waves states that when two or more propagating waves of same type are incident on the same point, the resultant amplitude at that point is equal to the vector sum of the amplitudes of the individual waves.

Answer 2

ⓗⓔⓨ ⓜⓐⓣⓔ ⓤⓡ ⓐⓝⓢ. ⓘⓢ ⓗⓔⓡⓔ..✌

tɦɛ քʀɨռċɨքaʟ statɛ tɦat ɨʄ tաօ օʀ ʍօʀɛ աaʋɛ tʀaɨռs օʄ ʟɨɢɦt tʀaʋɛʟʟɨռɢ ɨռ a ʍɛɖɨʊʍ sʊքɛʀɨʍքօsɛ , tɦɛ ʀɛsʊʟtaռt aʍքʟɨtʊɖɛ at aռʏ tɨʍɛ ɨs ɛզʊaʟ tօ tɦɛ ʋɛċtօʀ sʊʍ օʄ aʍքʟɨtʊɖɛs ɖʊɛ tօ tɦɛ ɨռɖɨʋɨɖʊaʟ աaʋɛs.

ⓒⓞⓝⓓⓘⓣⓘⓞⓝⓢ ⓐⓡⓔ -

tɦɛ sօʊʀċɛ օʄ աaʋɛ ʍʊst ɮɛ ċօɦɛʀɛռt , աɦɨċɦ ʍɛaռs tɦɛʏ ɛʍɨt ɨɖɛռtɨċaʟ աaʋɛs աɨtɦ a ċօռstaռt քɦasɛ ɖɨʄʄɛʀɛռċɛ . tɦɛ աaʋɛs sɦօʊʟɖ ɮɛ ʍօռօċɦʀօʍatɨċ.

ⓗⓞⓟⓔ ⓣⓗⓘⓢ ⓗⓔⓛⓟⓢ ⓨⓞⓤ .....