If a glass rod is immersed in a liquid of same refractive index, then it will appear

Question

If a glass rod is immersed in a liquid of same refractive index, then it will appear (A) bent (B) longer (C) shorter (D) invisible

Tardigrade Admin · Accepted Answer

When glass rod has same refractive index as liquid, the light rays are not bent at all. Hence glass rod in liquid appears invisible.

Q. If a glass rod is immersed in a liquid of same refractive index, then it will appear