HESI EXAM FINAL 2024 ACTUAL QUESTIONS AND ANSWERS WITH RATIONALE

HESI EXAM FINAL 2024 ACTUAL QUESTIONS AND ANSWERS WITH RATIONALE Which of these statements is true regarding the way light travels? A. Sound travels faster than light. B. The speed of light is always the same regardless of the medium through which it travels. C. Light travels as both a wave and a particle. D. Light can not travel through a vacuum. C. Light travels as both a wave and a particle. Light is a curiosity in that it acts as both a wave and a particle. It only changes direction via reflection (bouncing off of something) or refraction (passing from one medium to another). In a vacuum, the speed of light is constant, but when passing through a medium that has an index of refraction different from a vacuum, light's speed slows.