Question

A rectangle block of glass of refractive index $\mu$ and thickness d is placed over an ink dot made on a piece of paper lying on a table. When viewed from above, the dot will appear to be raised by an amount given by

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

Answer 1

The correct option is A $(\mu -1)\frac{d}{\mu }$

Option A is correct