If we say that a material is opaque to ultraviolet light, we mean that it
A. absorbs ultraviolet light.
B. emits ultraviolet light.
C. transmits ultraviolet light.
D. reflects ultraviolet light.
Answer:A
If we say that a material is opaque to ultraviolet light, we mean that it
A. absorbs ultraviolet light. B. emits ultraviolet light. C. transmits ultraviolet light. D. reflects ultraviolet light.