The focal length of a lens is dependent on the Question 24 options:

location of the object used

shape of the lens and the material it is made from

radius of curvature of the lens

material the lens is made from

Question 25 (1 point)
A concave mirror has a radius of curvature of 1.6 m. The focal length is

Question 25 options:

3.2 m.

none of the above.

32 cm.

0.80 m.