Physics · Wave Optics

The phase difference (Δφ) between two superimposing waves to obtain constructive interference and hence a bright band, is (where n is an integer):

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Δφ = 3nπ2
2Δφ = nπ2
3Δφ = 2nπ✓
4Δφ = nπ

Correct answer

Δφ = 2nπ

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The phase difference (Δφ) between two superimposing waves to obtain constructive interference and hence a bright band, is (where n is an integer):

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