In the figure,the radius of curvature of the curved part of the lens is 35.0 cm,and the refractive index of the lens material is 1.620.What is the focal length of the lens?
A) +56.5 cm
B) -56.5 cm
C) +28.2 cm
D) +21.6 cm
E) -21.6 cm

Question

In the figure,the radius of curvature of the curved part of the lens is 35.0 cm,and the refractive index of the lens material is 1.620.What is the focal length of the lens? 
A) +56.5 cm 
B) -56.5 cm 
C) +28.2 cm 
D) +21.6 cm 
E) -21.6 cm

Quizplus · Accepted Answer

The Answer of In the figure,the radius of curvature of the curved part of the lens is 35.0 cm,and the refractive index of the lens material is 1.620.What is the focal length of the lens? 
A) +56.5 cm 
B) -56.5 cm 
C) +28.2 cm 
D) +21.6 cm 
E) -21.6 cm

In the Figure,the Radius of Curvature of the Curved Part