Fig. 6(b).54. shows a thin lens with centres of curvature `C_(1) and C_(2)`. If `mu = 1.5`, what is its focal length ?

A thin lens of focal length + 12 cm is immersed in water (mu = 1.33). What is its new focal length ?

A thin lens of focal length + 12 cm is immersed in water (mu = 1.33). What is its new focal length ?

A thin lens of focal length + 12 cm is immersed in water (mu = 1.33). What is its new focal length ?

A thin lens with centres of curvature C_(1) and C_(2) is shown in the figure given below. If the refractive index of material of lens is 1.5, calculate the focal length in cm.

A plano-convex lens (mu = 1.5) has a curved surface of radiys 15 cm. what is its focal length ?

The focal length of a concave-convex lens of radii of curvature 5 cm and 10 cm is 20 cm. what will be its focal length in water ? Given .^(a)mu_(w) = 4//3 .

A plano-convex lens has refractive index 1.6 and radius of curvature 60 cm. What is the focal length of the lens?

A plano-convex lens has refractive index 1.6 and radius of curvature 60 cm. What is the focal length of the lens?

The focal length of a concavo - convex lens of radii of curvature 5 cm and 10 cm is 20 cm.What will be its focal length in water (mu=4//3) ?