Physics · Optics
A light ray falls at an angle of incidence of 45° on a rectangular glass slab. If total internal reflection occurs at the vertical face of the slab at point B, the minimum refractive index of the glass is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1√3√2✓
- 2√2 + 12
- 3√3 + 12
- 4√32
Correct answer
√3√2
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