Physics · Ray Optics
A ray of light enters from air into a rectangular glass block of refractive index 43 through its top face at an angle of incidence θ. The light ray suffers total internal reflection at the adjacent vertical surface. The maximum value of sin(θ) should be equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1√73✓
- 2√54
- 3√74
- 4√53
Correct answer
√73
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