The refractive index of medium a is 1.54 and that of medium b is 2.12. which statement is correct about this information?

a. a ray of light passing from medium a to b can undergo total internal reflection.

b. a ray of light passing from medium a to b will bend away from the normal.

c. a ray of light passing from medium a to b will bend toward the normal.

d. a ray of light passing from medium a to b can make a critical angel.