TS EAMCET · Physics · Wave Optics
Interference fringes are obtained in a Young double slit experiment using beam of light consisting two wavelengths and . Bright fringes due to both wavelengths coincide at from the central maximum. If the separation between the slits is , then the distance between the screen and plane of the slits is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(C)
Step-by-step Solution
Detailed explanation
We know, y=n1λ1Dd=n2λ2Dd ⇒ n1λ1=n2λ2 ⇒ n1500nm=n2600nm ⇒ 5n1=6n2 ∴ n1=6, n2=5 ∴ n1≠0, n2≠0 Consider; y=n1λ1Dd…
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