Lecture 5 repeat

Question 0

light striking a perpendicular surface will continue on through….with or without bending?

Answer 0

without

Question 1

the bending of light waves at an angulated surface of a transparent material is known as this?

Answer 1

Refraction

Question 2

the degree of refraction means what if you put it simply?

Answer 2

the amount of bending

Question 3

the Amount of bending depends on what?

Answer 3

1. the degree of angulation between interface and the entering light wave
2. ratio of the refractive indices and transparent media

Question 4

1 diopter is equivalent to?

Answer 4

1 meter divided by the focal length of a lens

Question 5

a measure in Diopters of how much a lens bends light waves is the?

Answer 5

Refractive power

Question 6

What is the Refractive index?

Answer 6

the ratio of light velocity in air to light velocity traveling through a substance

Question 7

what is the Refractive index of air?

Answer 7

1.00

Question 8

The point through which all parallel rays of light will pass after passing through each part of the lens

Answer 8

Focal point

Question 9

The focal length is the distance from the center of the lens to?

Answer 9

the focal point

Question 10

an object projected on the Retina, inside the eye, will be seen as?

Answer 10

reversed and inverted

Question 11

what is the function of the Iris?

Answer 11

to control the amount of light entering the eye from darkness to light conditions

Question 12

pupillary diameter is indirectly proportional to?

Answer 12

the depth of lens focus. as depth increases, diameter decreases.

Question 13

the total refractive power of the Human eye is approximately?

Answer 13

59 Diopters