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Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line