Total Internal Reflection

What is total internal reflection? Explain the phenomena with necessary conditions.

The sun will reflect part of its light off of the water, and the rest will refract into the water. This is due to 

A ray of light from air suffers partial reflection and refraction at the boundary of water as shown in the figure. In Fig, which of the ray is the correct partially reflected ray?

When a light ray passes from a denser medium to a rarer medium if the angle of incidence is greater than the critical angle partial reflection of the rays occurs.

Illustrate the partial reflection by using diagrammatic representation.

What is partial reflection of light?

The refractive index of a medium decreases with increase in the temperature of the medium.

At critical angle of incidence, the angle of refraction is _____ degree.

Total internal reflection takes place when the light ray travels from

The refractive index of glass with respect to air is $2$. Then the critical angle of glass-air interface is

Which one has the highest value of critical angle?

For _____ to occur, light should travel from denser medium to rarer medium.
(Choose from: refraction / reflection / total internal reflection)

Total internal reflection only takes place when the angle of incidence is greater than the _____ angle.

Which of the following is not due to total internal reflection?

Total internal reflection can happen when light enters from rarer medium to denser medium.

What is the phenomenon that is employed in the making of a diamond?

Calculate the refractive index of medium whose critical angle is $30°$ with respect to air.

Total internal reflection happens when a light ray goes from a rarer medium to a denser medium.

If the phenomenon of dispersion doesn't exist, which of the following won't be observed?

Which of the following is not due to total internal reflection?