The refractive index of water is 4 / 3 and that of glass is 5/3. What will be the critical angle for the ray of light entering w

The refractive index of water is 4 / 3 and that of glass is 5/3. What will be the critical angle for the ray of light entering water from the glass
A. `"sin"^(-1) 4/5`
B. `"sin"^(-1) 5/4`
C. `"sin"^(-1) 1/2`
D. `"sin"^(-1) 2/1`

The refractive index of water is 4 / 3 and that of glass is 5/3. What will be the critical angle for the ray of light entering water from the glass

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