TS EAMCET · Physics · Wave Optics
Two coherent point sources \(S_1\) and \(S_2\) vibrating in phase emit light of wavelength \(\lambda\). The separation between them is \(2 \lambda\) as shown in figure. The first bright fringe is formed at \(P\) due to interference on a screen placed at a distance \(D\) from \(S_1(D>>\lambda)\), then \(O P\) is

- A \(\sqrt{2} D\)
- B \(1.5 \mathrm{D}\)
- C \(\sqrt{3} D\)
- D \(2 D\)
Answer & Solution
Correct Answer
(C) \(\sqrt{3} D\)
Step-by-step Solution
Detailed explanation
From the figure,…
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