Q.5 Three coherent sources producing plane wave fronts towards right of same amplitude and wavelength (3X) are situated on a line as shown in the diagram. If an observer P also lies on the same line and observes no light when sources S₁, S₂ and S3 are switched on simultaneously. Taking all suitable approximations and d₁ & d₂ <<< D, S₁ S₂ P D Rate this question Answer O d₁ must be 32. d₁ may be d₂ may be 47. d₁
Q.5 Three coherent sources producing plane wave fronts towards right of same amplitude and wavelength (3X) are situated on a line as shown in the diagram. If an observer P also lies on the same line and observes no light when sources S₁, S₂ and S3 are switched on simultaneously. Taking all suitable approximations and d₁ & d₂ <<< D, S₁ S₂ P D Rate this question Answer O d₁ must be 32. d₁ may be d₂ may be 47. d₁
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Transcribed Image Text:Q.5
Three coherent sources producing plane wave fronts towards right of same amplitude and wavelength (3X) are situated on a line as
shown in the diagram. If an observer P also lies on the same line and observes no light when sources S₁, S₂ and S3 are switched on
simultaneously. Taking all suitable approximations and d₁ & d₂ <<<D,
S₁
S₂
S3
P
Rate this question
Answer
d₁ must be 3)
d₁ may be >
d₂ may be 42.
d₁ must be 2
d₁
d₂
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