Q142 / 160 · AP EAMCET 2024 (20 May Shift 1) · Physics

An object lying 100 cm inside water is viewed normally from air. If the refractive index of water is $\frac{4}{3}$, then the apparent depth of the object is

  • A
    100 cm
  • B
    50 cm
  • C
    25 cm
  • Correct answer
    D
    75 cm

Solution

Real depth $=100 \mathrm{~cm}, \mu=\frac{4}{3}$ $\therefore \quad$ Apparent depth $=\frac{\text { Real depth }}{\mu}=\frac{100 \times 3}{4}=75 \mathrm{~cm}$

Hence, the correct answer is option: 'D'.

Relevant Questions