Correct the following sentences if required:
`mu = sin C ` where `mu = ` refractive index, C = critical angle

Correct the following sentences if required: All real images are inverted.

Correct the following sentences, if required changing the underlined portion. The refractive index of a medium depends on the angle of the minimum deviation.

Correct the following sentences, if required changing the underlined portion. The refractive index of a medium depends on the angle of the prism.

Derive relation between refractive index and critical angle.

Correct the following sentences, if required changing the underlined portion. The refractive index of different colours of light varies directly with their wavelength.

Correct the following sentences if required: A plane mirror is a better reflector than a right angled prism.

Correct the following sentences if required: Mirrage is observed due to total internal reflection.

Correct the following sentences, if required changing the underlined portion. All colours of white light have the same refractive index for air.

Correct the following sentences, if required changing the underlined portion. beam of white light splits that is called refraction.

Correct the following statements if required changing the unerlined portion. mu_r = mumu_0