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Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 28 - Electromagnetic Waves > Assertion: If optical density of a substance is more than that of water then the mass density of substance can be less than water. Reason: Optical density and mass density are not related.

Assertion: If optical density of a substance is more than that of water then the mass density of substance can be less than water. Reason: Optical density and mass density are not related.

Assertion: If optical density of a substance is more than that of water then the mass density of substance can be less than water. Reason: Optical density and mass density are not related.