Question

An object is immersed in a fluid of refractive index 'µ'. In order that the object becomes invisible when observed from outside, it should ______.

Options

• behave as a perfect reflector

• have refractive index equal to one

• absorb all light falling on it

• have refractive index same as surrounding fluid, that is 'µ'

Answer 1

An object is immersed in a fluid of refractive index 'µ'. In order that the object becomes invisible when observed from outside, it should have refractive index same as surrounding fluid, that is 'µ'.