Question

If the Young's double slit experimental set up is immersed in a liquid of refractive index $\mu$, the fringe width of the interference pattern observed is $\beta$. When the experiment is performed in air medium with the same experimental set up, the fringe width of the pattern will be

• A. $\beta$
• B. $\frac{\beta }{\mu }$
• C. $(\mu +1)\beta$
• D. $\mu \beta$
• E. $(\mu -1)\beta$

Answer 1

Answer: (D)

Correct answer is (d) $\mu \beta$