Physics · Optics
Read the following statements carefully regarding light and optics: Statement 1: Light travels fastest in a vacuum. Statement 2: Refraction occurs due to a change in the speed of light when it passes from one medium to another. Statement 3: The refractive index of water is approximately 1.33, meaning light travels slower in water than in a vacuum. Statement 4: A medium's optical density is related to its refractive index. Which of the following options is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1All statements are true.✓
- 2Statements 1, 2, and 3 are true; Statement 4 is false.
- 3Statements 2, 3, and 4 are true; Statement 1 is false.
- 4Only Statements 3 and 4 are true.
Correct answer
All statements are true.
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