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Wave Optics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsWave Optics1 Mark
MCQ
In Young’s double-slit experiment, an interference pattern is obtained on a screen by a light of wavelength $6000 \mathring A$ , coming from the coherent sources $S_1$ and $S_2$. At certain point $P$ on the screen third dark fringe is formed. Then the path difference $S_1 P-S_2 P$ in microns is
  • A
    $0.75$
  • ✓
    $1.5$
  • C
    $3.0$
  • D
    $4.5$
✓

Answer

Correct option: B.
$1.5$
$1.5$

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