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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, white light is used. The separation between the slits is b. The screen is at a distance $d(d>>b)$ from the slits. Some wavelengths are missing exactly in front of one slit. These wavelengths are
  • A
     $\lambda=\frac{b^2}{d}$
  • B
     $\lambda=\frac{ b ^2}{3 d}$
  • C
     $\lambda=\frac{2 b^2}{3 d}$
  • ✓
     $a, b$
✓

Answer

Correct option: D.
 $a, b$
$a, b$

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