In optics an object which has higher refractive index is called

Q. In optics an object which has higher refractive index is called
A. Optically rarer
B. Optically denser
C. Optical density
D. Refractive index
Answer: Optically denser

A. Optically rarer
B. Optically denser
C. Optical density
D. Refractive index
Answer: Optically denser