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Q: The ability of a medium to refract light is also expressed in terms of its:
  • A. optical mass
  • B. optical density
  • C. optical volume
  • D. optical illusion
Correct Answer: Option B - The ability of a medium to refract light is also expressed in terms of its optical density Optical density is not as same as mass density. Optical Density is also referred as absorbance
B. The ability of a medium to refract light is also expressed in terms of its optical density Optical density is not as same as mass density. Optical Density is also referred as absorbance

Explanations:

The ability of a medium to refract light is also expressed in terms of its optical density Optical density is not as same as mass density. Optical Density is also referred as absorbance