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Wave Optics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsWave Optics1 Mark
MCQ
In an interference experiment, third bright fringe is obtained at a point on the screen with a light of 700 nm. What should be the wavelength of the light source in order to obtain 5th bright fringe at the same point
  • A
     500 nm
  • B
     630 nm
  • C
     750 nm
  • ✓
     420 nm
✓

Answer

Correct option: D.
 420 nm
 420 nm

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