Physics · Optics
Which of the following represents the critical angle (θc) of a medium for light going from the medium into air? (Given μ2 = 1 and μ1 = μ)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1θc = sin(1μ)
- 2θc = cos-1(1μ)
- 3θc = sin-1(1μ)✓
- 4θc = sin-1(μ)
Correct answer
θc = sin-1(1μ)
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