Home
Class 12
PHYSICS
State how focal length of a glass (Refra...

State how focal length of a glass (Refractive index 1.5) changes when it is completely immersed in:
(i) Water (Refractive index 1.33)
(ii) A liquid (Refractive index 1.65)

Text Solution

AI Generated Solution

To determine how the focal length of a glass lens (with a refractive index of 1.5) changes when it is completely immersed in different media, we will use the lens maker's formula. The formula is given by: \[ \frac{1}{f} = \left(\frac{\mu_2}{\mu_1} - 1\right) \left(\frac{1}{R_1} - \frac{1}{R_2}\right) \] Where: - \( f \) is the focal length of the lens. ...
Promotional Banner

Similar Questions

Explore conceptually related problems

Focal length of a convex lens of refractive index 1.5 is 2 cm. Focal length of lens when immersed in a liquid of refractive index 1.25 will be

The focal length of lens of refractive index 1.5 in air is 30 cm When it is immersed in water of refractive index (4)/(3) ,then its focal length will be

A lens is made of flint glass (refractive index =1.5 ). When the lens is immersed in a liquid of refractive index 1.25 , the focal length:

A thin convex lens which is made of glass (refractive index 1.5) has a focal length of 20 cm. It is now completely immersed in a transparent liquid having refractive index 1.75. Find the new focal length of the lens.

A convex lens made up of glass of refractive index 1.5 is dippedin turn (i) in a medium of refractive index 1.65 (ii) in a medium of refractive index 1.33 (a) Will it behave as converging or diverging lens in the two cases ? (b) How will its focal length changes in the two media ?

A concave lens of glass, refractive index 1.5, has both surfaces of same radius of curvature R. On immersion in a medium of refractive index 1.75, it will behave as a

A thin glass (refractive index 1.5) lens has optical power of -5D in air. Its optical power in a liquid medium with refractive index 1.6 will be

A thin glass (refractive index 1.5) lens has optical power of -5D in air. Its optical power in a liquid medium with refractive index 1.6 will be

A thin convex lens of refractive index 1.5cm has 20cm focal length in air. If the lens in completely immersed in a liquid of refractive index. 1.6, then its focal length will be

A convex lens made up of glass of refractive index 1.5 is dippedin turn (i) in a medium of refractive index 1.65 (ii) in a medium of refractive index 1.33 Then Will it behave as converging or diverging lens in the two cases ?