Respuesta :
Answer:
its b) They began to believe that light acted as waves.
Explanation:
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They believing that light acted as waves was how they viewed it.
What is a Wave?
This is defined as the propagation of disturbances from place to place in a regular and organized way.
LIght can be reflected, refracted and diffracted which was why they began to view it as a wave after this discovery thereby making option B the most appropriate choice.
Read more about Waves here https://brainly.com/question/25699025