Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Ray Optics

Question:

A glass beaker contains water upto a height $h_1$ and kerosene oil above water upto height $h_2$. If the refractive index of water is $\mu_{w}$ and that of oil is $\mu_{k}$, then what will be the apparent shift in the position of the bottom of the beaker when viewed from above?

Options:

$\left[\left(1-\frac{1}{\mu_{w}}\right)+\left(1-\frac{1}{\mu_{k}}\right)\right]\left(h_1+h_2\right)$

$\left(1-\frac{1}{\mu_{k}}\right) h_1+\left(1-\frac{1}{\mu_{w}}\right) h_1$

$\left(1-\frac{1}{\mu_w}\right) h_2+\left(1-\frac{1}{\mu_k}\right) h_1$

$\left(1-\frac{1}{\mu_{w}}\right) h_1+\left(1-\frac{1}{\mu_{k}}\right) h_2$

Correct Answer:

$\left(1-\frac{1}{\mu_{w}}\right) h_1+\left(1-\frac{1}{\mu_{k}}\right) h_2$

Explanation:

The correct answer is Option (4) → $\left(1-\frac{1}{\mu_{w}}\right) h_1+\left(1-\frac{1}{\mu_{k}}\right) h_2$