1.

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.

Answer»

Option DExplanation:If the refractive index of the body becomes equal to SURROUNDING liquid, there will not be any deviation in the direction of LIGHT neither will any light get reflected from its surface. So, the OBJECT becomes invisible.Please MARK it as BRAINLIEST



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