Determine refractive index of glass prism if critical angle for glass is `45^@`

Refractive index of glass is 1.5 find critical angle for glass.

Derive a relation between refractive index and critical angle.

Calculate the refractive index of a prism,if the angle of the prism is 60^@ and the angle of minimum deviation is 30^@ .

What is the relation between critical angle and refractive index? What is critical angle for diamond?

Fig.2.68 shows object PQ in front of a right angled (45^@-90^@-45^@) glass prism.the critical angle of glass is 42^@ .Redrw this figure tracing the complete path of rays from P and Q into and out of the prism. .

Derive the relation between refractive index of the medium and critical angle.

Green light of wavelegth 5,460 overset @A is incident on an air-glass interface.If the refractive index of glass is 1.5.the wavelength of light in glass would be

Find the critical angle for a glass-water interface,if refractive index of glass 3//2 and that of water is 4//3 .

For glass-air interface,the critical angle is C.Will the critical angle for glass-water interface be greater or less than C?