Refraction through Different Media

Q.

Why does a pencil partially dipped in water appear bent at the surface of the water?

Q.

Speed of light in glass is $3\times {10}^{8}m/s$.

1. True
2. False

Q.

Passage of light from one medium into another___________

Q.

(a) What is total internal reflection?

(b) State two conditions necessary for total internal reflection to occur.

(c) Draw diagrams to illustrate critical angle and total internal reflection.

Q. Answer the following questions:
(a) What is total internal reflection?
(b) State two conditions necessary for the total internal reflection to occur.
(c) Draw diagrams to illustrate the total internal reflection.

Q. Answer the following questions:
(a) What is total internal reflection?
(b) State two conditions necessary for the total internal reflection to occur.
(c) Draw diagrams to illustrate the total internal reflection.