Spherical Reflection (9, 4)

Equations:

1

+

1

=

1

f =

1

⋅ r

m =

–v

--

v--

--f

2--

-----u

u

 

 

 

 

 

Example:

Given: u=10_cm, v=300_cm, r=19.35_cm.

Solution: m=-30, f=9.6774_cm.

Spherical Refraction (9, 5)

Equation:

n1

+

n2

=

n2 – n1

-----

-----v

------------------r

u

 

 

Example:

Given: u=8_cm, v=12_cm, r=2_cm, n1=1.

Solution: n2=1.5000.

Thin Lens (9, 6)

r1 is for the front surface, and r2 is for the back surface.

Equation Reference 5-39