For an angle of incidence of $45^{o}$ at the top of surface of a glass slab as shown in figure, what is the maximum refractive index of glass for total internal reflection? [For water $μ = \frac{4}{3}$ ]

\frac{4}{3 \sqrt{2}}

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\frac{4 \sqrt{2}}{3}

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\frac{3}{4 \sqrt{2}}

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\frac{3 \sqrt{2}}{4}

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Solution

The correct option is A $\frac{4}{3 \sqrt{2}}$
Option A is correct

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For an angle of incidence of 45o at the top of surface of a glass slab as shown in figure, what is the maximum refractive index of glass for total internal reflection? [For water μ=43]

The correct option is A 43√2Option A is correct

For an angle of incidence of $45^{o}$ at the top of surface of a glass slab as shown in figure, what is the maximum refractive index of glass for total internal reflection? [For water $μ = \frac{4}{3}$ ]

The correct option is A $\frac{4}{3 \sqrt{2}}$
Option A is correct