Basic Principles Of Light

Question 0

All light is a form of?

Answer 0

Electromagnetic energy

Question 1

The bending of light as it passes from one material to another is referred to as?

Answer 1

Refraction

Question 2

What to forms at right angles to their path of travel does light energy take?

Answer 2

Electrical and magnetic

Question 3

What range does light used in fiber optics fall into?

Answer 3

Infrared

Question 4

What are Fresnel reflections?

Answer 4

Reflections that occur when light passes from one medium to another

Question 5

The change in direction of light as it changes speeds passing from one material to another is called?

Answer 5

Refraction

Question 6

The angle between the incident ray and normal?

Answer 6

Angle of incidence

Question 7

The angle between the refracted ray and normal?

Answer 7

Angle of refraction

Question 8

The incident angle required to produce a refracted angle of 90 degrees is called?

Answer 8

The critical angle

Question 9

The phenomenon that makes fiber optic transmission possible is called?

Answer 9

Total internal reflection