MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Image Formation by Convex Lens

The radii of ...

Question

The radii of curvature of the faces of a double concave lens are 10 cm and 15 cm.If focal length is 12 cm. What is the refractive index of glass?

Open in App

Solution

Suggest Corrections

thumbs-up

76

Similar questions

Q. If the focal length of a double convex lens is

12 c m

and radii of curvatures of faces are

10 c m

15 c m

respectively, what is the refractive index of the lens?

Q. The radii of curvature of the faees of a double convex lens are 10 cm and 15 cm . Its focal length is 12 cm. What is the refractive index of glass ?

Q. A convexo-concave diverging lens is made of glass of refractive index 1.5 and focal length 24 cm. Radius of curvature for one surface is double that of the other. Then radii of curvature for the two surfaces are (in cm):

Q. The radii of curvature of a double concave lens are

30 c m

60 c m

and the refractive index of its glass is

1.5

. Calculate the focal length of the lens.

Q. A double concave lens is placed in water of refractive index

\frac{4}{3}

. If the radii of curvature of the two surfaces of the lens are 10 cm and 30 cm; and the refractive index of glass is

\frac{3}{2}

, find the focal length of the lens in water.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Image formation by Convex Lens

PHYSICS

Watch in App

explore_more_icon

Explore more

Image Formation by Convex Lens

Standard X Physics

Join BYJU'S Learning Program

CrossIcon