Q. An object is immersed in a fluid. In order that the object becomes invisible, it should
A) Behave as a perfect reflector
B) Absorb all light falling on it
C) Have refractive index one
D) Have refractive index exactly matching with that of the surrounding fluid
Explanation
(d) Objects are invisible in liquid of R.I. equal to that of object
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.