In YDSE, find the thickness of a glass slab (μ = 1.5) which should be placed before the…
Physics · JEE Advanced · NTA Exams — Optics
In YDSE, find the thickness of a glass slab (μ = 1.5) which should be placed before the upper slit S1 so that central maximum now lies at a point where 5th bright fringe was lying earlier (before inserting the slab). Wavelength of light used is 5000 Å.
- 5 × 10–6 m
- 10 × 10–6 m
- 10 × 10–6 m
- 5 × 10–5 m
Answer
(A) 5 × 10–6 m
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