Single/multi-select question: Does the sentence "The design and production of a light source or light fixture using a monochrome emitter with phosphor conversion is simpler and cheaper than a complex RGB system, and the majority of high-intensity white LEDs presently on the market are manufactured using phosphor light conversion." provide a valid answer to the question "What are some of the luminous efficacies of yellow phosphor based white LED compared to blue?"
Select from the following.
(a). yes
(b). no
(b).