Question

A plano-convex lens of unknown material and unknown focal length is given. With the help of a spherometer we can measure the :

(1) refractive index of the material

(2) focal length of the lens

(3) radius of curvature of the curved surface

(4) aperture of the lens

Answer 1

spherometer is used to measure radius of curvature of the curved surface

Answer 2

3. Radius of Curvature of the Curved Surface.

Answer 3

3

radius of curvature of the curved surface

Answer 4

Radius of curvature of the curved surface

Answer 5

Option 3 is the answer