Physics · Light and Optics
Consider the following statements: Assertion (A): The speed of light decreases when it passes from air into a denser medium. Reason (R): The speed of light in a denser medium is given by v = cμ, where c is the speed of light in air and μ is the refractive index of the denser medium.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Assertion (A) is false and Reason (R) is also false.
- 2Assertion (A) is true, but Reason (R) is false.
- 3Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
- 4Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).✓
Correct answer
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
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