Optics And Lens'

Question 0

What’s the equation to find the the curvature in?

Answer 0

1 1 1
– = – - –
U V f

Question 1

What is the equation to find out the curvature out?

Answer 1

1 1 1
– = – + –
V U f

Question 2

What’s the equation to find out the power of the lens?

Answer 2

1 1 1
– = – - –
F U V

Question 3

How far must an object be away from the lens for it to focus at focal length?

Answer 3

An infinite distance

Question 4

What’s happens to the image distance if you decrease the object distance?

Answer 4

The object distance increases

Question 5

How can you make the image distance smaller?

Answer 5

Increase the object distance by moving the object further away from the lens

Question 6

Calculate the power of the lens

Answer 6

F

Question 7

What’s the equation for curvature?

Answer 7

Curvature = r^-1

Question 8

What’s the unit of curvature?

Answer 8

D
Or
M^-1

Question 9

What’s the negative curvature of a wavefront?

Answer 9

/ )
  / ) )
• ) ) )
  \ ) )
    \ )

Question 10

What’s the negative curvature of a wavefront?

Answer 10

(\
( (\ 
( ( ( •
( (/
(/

Question 11

What happens to the curvature of a wave as it gets further from the source?

Answer 11

The curvature decreases

Question 12

What’s the definition of focal length?

Answer 12

The image distance when the incoming waves are plane

Question 13

What makes lens’ different?

Answer 13

Thickness and shape

Question 14

Do converging waves have a positive or negative gradient?

Answer 14

Positive