Home
Class 12
PHYSICS
Convex lens of focal length 15 cm is mad...

Convex lens of focal length 15 cm is made of material having refractive index 1.2. When placed in water `(n = 1.3)`, it will behave as :

A

converging lens of focal length 15 cm

B

converging lens of focal length different than 15 cm

C

diverging lens of focal length 15 cm

D

diverging lens of focal length different than 15 cm.

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

A convex lens of focal length 0.24 m and of refractive index 1.5 is completely immersed in water of refractive 1.33. Find the changes in the focal length of the lens.

We wish to make a plano convex lens of focal length 16 cm from glass having refractive index 1.5. It is to be used in air. The radius of curvature of the curved surface is

A convex lens made of glass has focal length 0.15 m in air. If the refractive index of glass is 3/2 and that of water is 4/3, the focal length of lens when immersed in water is

A convex lens of focal length 0.5m in air has a refractive index of 1.5.What will be its focal length when immersed in water of refractive index 1.33 ?

A plano convex lens is made of material having refractive index 1.5. The radius of curvature of the curved surface is 20 cm. How far away from its optical centre will the image be formed if the object is at infinity ?

A convex lens made of glass has focal length 0.15 m in air. If refractive index of glass is 3//2 and that of water is 4//3 , the focal length of lens when immersed in water is